Reset filter Export

___Download Click___	___Part No.___ ______ (勾選方式)	___Features___	___Topology___ ______ (勾選方式)	Vcc(MAX)(V) (Range)	Vcc(ON) (TYP)(V) (Range)	Vcc(OFF) (TYP)(V) (Range)	Freq.(TYP) (KHz) (Range)	Freq.(MXA) (KHz) (Range)	Duty Cycle % (Range)	___Start-up current___ ___(mA)___	___Operating___ ___current___ ___(mA)___	BVDSS (MIN)(V) (Range)	RDS(on) (MAX)(Ω) (Range)	___Package___ ______ (勾選方式)
___UC1842B-43B-D___	___UC1842B-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~ 125℃___	___* SSR___	30	16	10	-	500	96	___0.25___	___12___	-	-	___SOP-8___ ___DIP-8___
___UC1842B-43B-D___	___UC1843B-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~ 125℃___	___* SSR___	30	8.4	7.6	-	500	96	___0.25___	___12___	-	-	___SOP-8___ ___DIP-8___
___UC1844-45-D___	___UC1844-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~ 125℃___	___* SSR___	30	16	10	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC1844-45-D___	___UC1845-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~ 125℃___	___* SSR___	30	8.4	7.6	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2842A-2843A___	___UC2842A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25~ 70℃___	___* SSR___	30	16	10	-	500	97	___0.12___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2842A-2843A___	___UC2843A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25 ~70℃___	___* SSR___	30	8.4	7.6	-	500	97	___0.12___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2842B___	___UC2842B___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~ 85℃___	___* SSR___	30	16	10	-	500	96	___0.25___	___12___	-	-	___SOP-8___ ___DIP-8___
___UC2843B___	___UC2843B___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	8.4	7.6	-	500	96	___0.3___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45-A___	___UC2844-A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	16	10	-	500	48	___0.15___	___9___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45-A___	___UC2845-A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	8.4	7.6	-	500	48	___0.15___	___9___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45-D___	___UC2844-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	16	10	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45-D___	___UC2845-D___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	8.4	7.6	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3842A___	___UC3842A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25~ 70℃___	___* SSR___	30	16	10	-	500	97	___0.12___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3843A___	___UC3843A___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25 ~70℃___	___* SSR___	30	8.4	7.6	-	500	97	___0.12___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3843A-Q___	___UC3843A-Q___	___*Low Start Up Current ( Typical 0.12mA )___ ___*Automatic Feed Forward Compensation___ ___*Pulse-by-Pulse Current Limiting___ ___*Double Pulse Suppression___ ___*High Current Totem Pole Output to Drive MOSFET___ ___Directly___ ___*Internally Trimmed Band Gap Reference___ ___*500kHz Operation___	___* SSR___	30	8.4	7.6	-	500	97	___0.12___	___11___	-	-	___SOP-8___
___UC3842B___	___UC3842B___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25 ~70℃___	___* SSR___	30	16	10	-	500	96	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3843B___	___UC3843B___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___*Low Start Up Current ( Typical 0.12mA )___ ___* Operation frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -25~ 70℃___	___* SSR___	30	8.4	7.6	-	500	96	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3842G___	___UC3842G___	___* Low startup and operating current___ ___* User defined switching frequency(Norm is 52kHz)___ ___* Power-saving mode for low power___ ___* Under voltage lockout with hysteresis___ ___* Latching PWM for Cycle-By-Cycle current limiting___ ___* Internally trimmed reference with undervoltage lockout___	___* SSR___	30	15	10	52	-	94	___0.015___	___7___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45___	___UC2844___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	16	10	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC2844-45___	___UC2845___	___HIGH PERFORMANCE CURRENT MODE PWM___ ___CONTROLLERS___ ______ ___* Operation output switching frequency up to 500 kHz___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* Internally trimmed reference with under voltage lockout___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature -40 ~85℃___	___* SSR___	30	8.4	7.6	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3844-45___	___UC3844___	___High Performance Current Mode PWM Controllers___ ______ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature = -25~ 70 ℃___	___* SSR___	30	16	10	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3844-45___	___UC3845___	___High Performance Current Mode PWM Controllers___ ______ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* High current totem pole output___ ___* UVLO with hysteresis___ ___* Low startup and operating current___ ___* Operation Temperature = -25 ~ 70 ℃___	___* SSR___	30	8.4	7.6	-	500	48	___0.25___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3846___	___UC3846___	___Current Mode PWM Controller___ ______ ___* Built-in under-voltage lockout___ ___* Soft start___ ___* Programmable pulse-by-pulse current limiting___ ___* Improved load response characteristics___ ___* Double pulse suppression___	___* SSR___	40	7.7	-	-	500	-	___-___	___17___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___
___UC3943___	___UC3943___	___* With burstmode for lower standby power___ ___* With greenmode for higher light load efficiency___ ___* Automatic feed forward compensation___ ___* Latching PWM for cycle-by-cycle current limiting___ ___* Internally trimmed reference with undervoltage___ ___lockout___ ___* High current totem pole output___ ___* Undervoltage lockout with hysteresis___ ___* Low startup and operating current___	___* SSR___	30	8.4	7.6	-	250	96	___0.25___	___12___	-	-	___SOP-8___
___UC2846___	___UC2846___	___Current Mode PWM Controller___ ______ ___* Built-in under-voltage lockout___ ___* Soft start___ ___* Programmable pulse-by-pulse current limiting___ ___* Improved load response characteristics___ ___* Double pulse suppression___	___* SSR___	40	7.7	-	-	500	-	___-___	___17___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___
___UC3800_B___	___UC3800/B___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Dynamic peak current limiting for constant output power___ ___* OTP,OLP,OVP, LNO-OV, Brownout and VDD___ ___clamp for higher security___ ___* Fixed switch frequency 65kHz___ ___* Low start-up current___ ___* Cycle-by-cycle Current Limiting___	___* SSR___	30	18.5	7	65	70	78	___0.002___	___0.8___	-	-	___SOP-8___
___UC3837___	___UC3837___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Dynamic peak current limiting for constant output power___ ___* OTP,OLP,OVP and VDD clamp for higher security___ ___* Fixed switch frequency 65kHz___ ___* Low start-up current___ ___* Cycle-by-cycle Current Limiting___	___* SSR___	23	14.5	8.5	65	75	75	___0.005___	___3.2___	-	-	___SOT-26___
___UC3838___	___UC3838___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Cycle-by-cycle current limiting___ ___* CCM Power-saving mode Switching Operation___ ___* Built-in synchronized slope compensation___ ___* Gate output voltage clamped at 17V___ ___* Adjustable DC output OVP/OTP___ ___* OLP/VCC OVP/Internal OTP (automatic recovery)___ ___* OTP through a NTC (latch mode)___	___* Quasi-Resonant___	32	16	7.7	65	70	64	___0.001___	___0.68___	-	-	___SOT-26___
___UC3848___	___UC3848___	___High Performance Power-Saving Mode PWM Controllers___ ______ ___* Soft Start___ ___* Over Temperature Protection___ ___* Overload Protection___ ___* Over Voltage Protection___ ___* Leading Edge Blanking___ ___* Cycle-by-Cycle Current Limiting___	___* SSR___	30	14.2	8.2	68	75	74	___0.022___	___7___	-	-	___DIP-8___ ___SOP-8___
___UC3849B___	___UC3849B___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* Programming OTP for higher security___ ___* Cycle-by-cycle Current Limiting___ ___* Under voltage lockout (UVLO)___ ___* Few external components required___	___* SSR___	36	18	7	65	70	78	___0.002___	___0.8___	-	-	___DIP-8___ ___SOP-8___
___UC3853A___	___UC3853A___	___CURRENT MODE PWM CONTROLLER FOR FORWARD AND FLYBACK APPLICATIONS___ ______ ___* Peak Current Mode Control___ ___* Adjustable Internal Ramp Compensation___ ___* Jittering Frequency ±6% of the Switching Frequency___ ___* Power-saving mode for high standby efficiency___ ___* Delayed Operation Upon Start−up via an Internal___ ___Fixed Timer___	___* SSR___	29	10	9	100	110	46	___0.005___	___1.1___	-	-	___SOP-8___
___UC3856___	___UC3856___	___Low Cost Power-Saving Mode PWM Controller For Fly-Back Converters___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* OTP,OLP,OVP and VDD clamp for higher security___ ___* High efficiency HV start___ ___* Cycle-by-cycle current limiting___ ___* Few external components required___	___* SSR___	35	19	7	65	70	78	___0.002___	___0.18___	-	-	___SOT-26___
___UC3863___	___UC3863___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Built-in synchronized slope compensation___ ___* OTP,OLP,OVP and VDD clamp for higher security___ ___* Programmable PWM Frequency___ ___* Cycle-by-cycle Current Limiting___ ___* Few external components required___	___* SSR___	30	13.5	8	65	70	78	___0.0025___	___1.2___	-	-	___DIP-8___ ___SOP-8___ ___SOT-26___
___UC3863A___	___UC3863A___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Built-in synchronized slope compensation___ ___* OTP,OLP,OVP and VDD clamp for higher security___ ___* Programmable PWM Frequency___ ___* Cycle-by-cycle Current Limiting___ ___* Few external components required___	___* SSR___	36	18	7	65	70	78	___0.002___	___0.8___	-	-	___HSOP-8___ ___SOP-8___ ___SOT-26___
___UC3869A___	___UC3869A___	___HIGH VOLTAGE GREEN MODE PWM CONTROLLER___ ______ ___* High voltage startup___ ___* Power on soft start reducing MOSFET Vds stress___ ___* Efficiency and minimum standby power___ ___* Audio noise free operation___ ___* Fixed 65 kHz switching frequency___	___* SSR___	36	18	7	65	70	78	___0.002___	___0.8___	-	-	___DIP-8___ ___SOP-8___
___UC3869H___	___UC3869H___	___HIGH VOLTAGE GREEN MODE PWM CONTROLLER___ ______ ___* High voltage startup___ ___* Power on soft start reducing MOSFET Vds stress___ ___* Efficiency and minimum standby power___ ___* Audio noise free operation___ ___* Fixed 100 kHz switching frequency___	___* SSR___	36	18	7	100	108	78	___0.002___	___0.8___	-	-	___DIP-8___ ___SOP-8___
___UC3873___	___UC3873___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* OLP, OVP and VDD clamp for higher security___ ___* Programming OTP for higher security___ ___* Cycle-by-cycle Current Limiting___ ___* Few external components required___	___* SSR___	30	13.8	8.2	65	70	76	___0.0025___	___1.5___	-	-	___SOT-26___
___UC3873H___	___UC3873H___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* OTP and OVP( automatic recovery)___ ___* Programming OTP for higher security___ ___* Few external components required___	___* SSR___	36	18	7	100	108	78	___0.002___	___0.8___	-	-	___SOT-26___
___UC3873A___	___UC3873A___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* OLP, OVP and VDD clamp for higher security___ ___* Programming OTP for higher security___ ___* Cycle-by-cycle Current Limiting___ ___* Few external components required___	___* SSR___	36	19	7	65	70	78	___0.002___	___0.8___	-	-	___SOT-26___
___UC3873B___	___UC3873B___	___Low Cost Power-Saving Mode PWM Controller for Flyback Converters___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope compensation___ ___* OLP, OVP and VDD clamp for higher security___ ___* Programming OTP for higher security___ ___* Cycle-by-cycle Current Limiting___ ___* Few external components required___	___* SSR___	30	13	7	100	105	78	___0.0025___	___0.8___	-	-	___SOT-26___
___UC3875A___	___UC3875A___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Dynamic peak current limiting for constant output power___ ___* Built-in synchronized slope FBensation___ ___* OTP,OLP,OVP and VDD clamp for higher security___ ___* Programmable PWM Frequency___ ___* Cycle-by-cycle Current Limiting___ ___* Few external FBonents required___	___* SSR___	36	18	7	65	70	78	___0.002___	___0.8___	-	-	___DIP-8___ ___SOP-8___
___UC3883___	___UC3883___	___HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER WITH PEAK LOAD___ ______ ___* Power on Soft Start Reducing MOSFET VDS Stress___ ___* Frequency shuffling for EMI___ ___* Extended Burst Mode Control For Improved Efficiency___ ___and Minimum Standby Power Design___ ___* Audio Noise Free Operation___ ___* Frequency Triple for peak load (180KHz)___ ___* Adjustable Overload Protection (OLP) delay time___	___* SSR___	36	20/15.3	8.2	65	70	77	___0.0015___	___0.85___	-	-	___SOT-26___
___UPSR104___	___UPSR104___	___High Precision CC/CV Primary Side Regulator___ ______ ___* Programmable CV and CC Regulation___ ___* Adjustable Constant Current and Output___ ___Power Setting___ ___* Built-in Primary winding inductance compensation___ ___* Cycle-by-Cycle Current Limiting___	___* PSR___	29	14.8	9	65	70	-	___0.002___	___1.6___	-	-	___SOT-26___
___UPSR108___	___UPSR108___	___HIGH PRECISION CC/CV PRIMARY-SIDE PWM___ ___CONTROLLER WITH FAST DYNAMIC RESPONSE___ ______ ___* ±5% CC and CV Precision___ ___* Easily Meet EPS Level 6___ ___* QR Mode Control for High Efficiency and Low EMI___ ___* Programmable CV and CC Regulation___ ___* Less than 100mW Standby Power___ ___* Programmable Cable drop Compensation___ ___* Pin Floating Protection___ ___* Fast Dynamic Response___	___* PSR___	35	15.5	9.5	-	-	-	___0.002___	___1___	-	-	___SOT-26___
___UPSR107___	___UPSR107___	___HIGH PRECISION CC/CV PRIMARY-SIDE PWM___ ___CONTROLLER___ ______ ___* ±5% CC and CV Precision___ ___* Easily Meet EPS Level 6___ ___* QR Mode Control for High Efficiency and Low EMI___ ___* Programmable CV and CC Regulation___ ___* Less than 70mW Standby Power___ ___* Programmable Cable drop Compensation___ ___* Pin Floating Protection___	___* PSR___	35	15.5	9.5	-	-	-	___0.002___	___1___	-	-	___SOT-26___
___UC1100___	___UC1100___	___LOW-POWER HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR___ ______ ___* Tight CC regulation performance___ ___* Eliminates opto-coupler and secondary___ ___CV/CC control circuitry___ ___* Flyback topology in DCM operation___ ___* Open feedback protection___	___* PSR___	36	18.5	9	-	-	-	___0.003___	___0.35___	-	-	___SOT-26___
___UC1103___	___UC1103___	___High Precision CC/CV Primary Side Regulator___ ______ ___* HV-startup___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in leading edge blanking___ ___* Cycle-by-cycle current limiting___	___* PSR___	30	16	9	50	53	-	___-___	___1.6___	-	-	___SOP-8___
___UPSRB01___	___UPSRB01___	___High Precision CC/CV Primary Side Regulator___ ______ ___* Programmable CV and CC regulation___ ___* Flyback topology in DCM operation___ ___* Driver BJT switch___ ___* Programmable cable drop compensation___ ___* Built-in leading edge blanking___	___* PSR___	30	12.5	7.5	-	-	-	___0.001___	___0.3___	-	-	___SOT-26___
___UPSRB02___	___UPSRB02___	___High Precision CC/CV Primary Side Regulator___ ______ ___* Programmable CV and CC regulation___ ___* Flyback topology in DCM operation___ ___* Driver BJT switch___ ___* Programmable cable drop compensation___ ___* Audio noise free operation___ ___* Improved dynamic response___	___* PSR___	30	12.5	6.8	-	-	-	___0.01___	___0.4___	-	-	___SOT-26___
___UPSRB03___	___UPSRB03___	___High Precision CC/CV Primary Side Regulator___ ______ ___* Multi-Mode control for cancel audio noise___ ___* Programmable CV and CC regulation___ ___* Flyback topology in DCM operation___ ___* Driver BJT switch___ ___* Built-in leading edge blanking___	___* PSR___	30	18	6.5	-	-	-	___0.003___	___0.8___	-	-	___SOT-25___
___UC3801___	___UC3801___	___* Proprietary frequency hopping for___ ___Improved EMI performance___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for___ ___constant output power___ ___* Built-in synchronized slope compensation___ ___* Gate output voltage clamped at 16V___ ___* Adjustable DC output OVP/UVP/OTP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	36	16	7.6	65	70	64	___0.001___	___0.68___	-	-	___SOT-26___
___UC3816A_B___	___UC3816___	___* Proprietary frequency hopping for___ ___Improved EMI performance___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for___ ___constant output power___ ___* Built-in synchronized slope compensation___ ___* Adjustable DC output OVP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	36	17.5/14.5	7.5/7.3	65	70	62	___0.001___	___0.8___	-	-	___SOT-26___
___UC3916A___	___UC3916A___	___* Proprietary frequency hopping for___ ___Improved EMI performance___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for___ ___constant output power___ ___* Built-in synchronized slope compensation___ ___* Adjustable DC output OVP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	36	20	8.2	65	70	66	___0.0035___	___0.8___	-	-	___SOP-8___
___UC3862___	___UC3862___	___* Proprietary frequency hopping for___ ___Improved EMI performance___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for___ ___constant output power___ ___* Built-in synchronized slope compensation___ ___* Adjustable DC output OVP/UVP/OTP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	36	16	7.6	65	70	64	___0.001___	___0.68___	-	-	___SOT-26___
___UC3823___	___UC3823___	___* Proprietary frequency hopping for___ ___Improved EMI performance___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for___ ___constant output power___ ___* Built-in synchronized slope compensation___ ___* Adjustable DC output OVP/UVP/OTP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	36	16	7.6	65	70	64	___0.001___	___0.68___	-	-	___SOT-26___
___UCQ3738___	___UCQ3738___	___* Proprietary smart frequency hopping for Improved___ ___EMI and output___ ___Jittering ripple___ ___* Cycle-by-cycle current limiting___ ___* CCM/Valley Switching Operation___ ___* Dynamic peak current limiting for constant output power___ ___* Programmable Propagation Delay Time___ ___* Gate output voltage clamped at 16V___ ___* Adjustable DC output OVP/UVP___ ___* Adjustable OTP (Over Temperature Protection) on CS Pin___ ___* OLP/VCC OVP/OTP/BNO/LNO (automatic recovery)___ ___* Internal Soft Start___	___* Quasi-Resonant___	32	15	7.6	65	70	64	___0.001___	___1___	-	-	___SOT-26___
___L2800___	___L2800___	___Low Voltage Switching Regulator Controller___ ______ ___*Wide supply voltage operating range: 1.8V~15V___ ___*High speed operation is possible: Maximum 1MHz___ ___*The error amplifier gain is set inside the IC, so peripheral components are minimized.___ ___*Incorporates a soft start circuit.___ ___*Incorporates a stand-by function.___	___* PWM controllers___	16	-	-	500	1000	75	___-___	___5.5___	-	-	___SOP-8___ ___TSSOP-8___
___TL5001___	___TL5001___	___Pulse width Modulation Control Circuits___ ______ ___* Complete PWM power control___ ___* Internal under voltage-lockout circuit___ ___* Internal short-circuit protection___ ___* Oscillator frequency : 20kHz to 500kHz___ ___* Variable dead timer provides control over total range___	___* PWM controllers___	41	-	-	-	500	100	___-___	___1.4___	-	-	___DIP-8___ ___SOP-8___
___BA9741___	___BA9741___	___Two-Channel Switching Regulator Controller___ ______ ___*Time-latch, short-circuit protection circuit___ ___*Miss-operation prevention circuit for low-voltage input___ ___*Reference voltage with output (2.5V)___	___* PWM controllers___	35	-	-	-	800	55	___-___	___1.6___	-	-	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___TL1451___	___TL1451___	___Dual Pulse width Modulation Control Circuits___ ______ ___*Completely synchronized operation___ ___*Internal undervoltage lockout protection___ ___*Internal Short-Circuit protection___ ___*Variable dead time provides control over total range___ ___*Internal regulator provides a stable 2.5V reference supply___	___* PWM controllers___	51	-	-	-	350	-	___-___	___1.7___	-	-	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___U9751B___	___U9751B___	___Double Channels PWM Controller___ ______ ___* Switch frequency: 400KHz___ ___* Wide work voltage___ ___* Programmable dead-time control___ ___* UVLO protection___ ___* SCP protection___	___* PWM controllers___	38	-	-	-	400	-	___-___	___1.7___	-	-	___DIP-16___ ___SOP-16___ ___SSOP-16___
___U8021___	___U8021___	___Voltage Mode PWM Controller with Linear Power___ ___Regulator for Synchronous Buck Converter___ ______ ___* Internal LDO___ ___* Programmable output voltages___ ___* Internal soft start___ ___* Under voltage lockout___ ___* Short circuit protection___	___* PWM controllers___	18	-	-	600	700	-	___-___	___5___	-	-	___SOP-14___
___TL494___	___TL494___	___Voltage Mode PWM Control IC___ ______ ___* Uncommitted outputs for 200mA sink or source current___ ___* Output control selects single ended or push pull operation___ ___* Internal circuitry prohibits double pulses over total range___ ___* Easy synchronization___	___* PWM controllers___	41	-	-	-	300	45	___-___	___7.5___	-	-	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___TL494-Q___	___TL494-Q___	___Voltage Mode PWM Control IC___ ______ ___* Uncommitted outputs for 200mA sink or source current___ ___* Output control selects single ended or push pull operation___ ___* Internal circuitry prohibits double pulses over total range___ ___* Easy synchronization___	___* PWM controllers___	41	-	-	-	300	45	___-___	___7.5___	-	-	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___TL594___	___TL594___	___Pulse-Width-Modulation Control Circuit___ ______ ___* Adjustable dead time___ ___* Single-Ended or Push-Pull operation selected by output control___ ___* Double pulse is not allowed at either output due to its architecture___ ___* 5V Internal reference voltage (1% accuracy)___ ___* UVLO under the low VCC status___	___* PWM controllers___	41	-	-	-	300	45	___-___	___7.5___	-	-	___DIP-16___ ___SOP-16___
___51494___	___51494___	___Voltage Mode PWM Control IC with Power Good Signal___ ______ ___* Fully integrated with compact 16-pin dip___ ___* Built-in power good delay and power fail lead function.___ ___* Power good delay time is linearly.___ ___* Proportional to external capacitor value.___	___* PWM controllers___	42	-	-	-	-	45	___-___	___6___	-	-	___DIP-16___ ___SOP-16___
___U3525___	___U3525___	___PWM controller IC, PWM latching___ ___* Adjustable dead time control___ ___* Internal soft-start___ ___* Pulse-by-pulse shutdown___ ___* Input under-voltage lockout with hysteresis___ ___* Latching PWM to prevent multiple pulses___	___* PWM controllers___	35	-	-	-	400	49	___-___	___14___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___ ___TSSOP-16___ ___SOP-16N___
___U3525A___	___U3525A___	___PWM controller IC, PWM latching___ ___　___ ___* Adjustable dead time control___ ___* Internal soft-start___ ___* Pulse-by-pulse shutdown___ ___* Input under-voltage lockout with hysteresis___ ___* Latching PWM to prevent multiple pulses___	___* PWM controllers 35___	35	-	-	-	400	49	___-___	___14___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___ ___TSSOP-16___ ___SOP-16N___
___U3525U___	___U3525U___	___PWM controller IC, PWM latching___ ______ ___* Adjustable dead time control___ ___* Internal soft-start___ ___* Pulse-by-pulse shutdown___ ___* Input under-voltage lockout with hysteresis___ ___* Latching PWM to prevent multiple pulses___	___* PWM controllers___	40	-	-	-	400	49	___-___	___14___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___ ___SOP-16N___
___U3525UA___	___U3525UA___	___PWM controller IC, PWM latching___ ___* Adjustable dead time control___ ___* Internal soft-start___ ___* Pulse-by-pulse shutdown___ ___* Input under-voltage lockout with hysteresis___ ___* Latching PWM to prevent multiple pulses___	___* PWM controllers___	35	-	-	-	400	49	___-___	___14___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___ ___SOP-16N___
___UA7527___	___UA7527___	___* Internal Start-up Timer___ ___* Very Precise Adjustable Output Over Voltage Protection___ ___* Zero Current Detector___ ___* Quadrant Multiplier___ ___* Internal R/C Filter Eliminates the Need for an External R/C Filter___ ___* Trimmed 1.5% Internal Band Gap Reference___ ___* Under Voltage Lockout with 3V of Hysteresis___ ___* Totem Pole Output With High State Clamp___ ___* Low Start-up and Operating Current___	___* PFC___	30	11.5	-	-	-	-	___0.06___	___3___	-	-	___SOP-8___
___UA7524___	___UA7524___	___* Internal self-starting___ ___* Micro power start up mode___ ___* Included under voltage lockout circuit___ ___* Internal 2% reference___ ___* High output current: peak 500mA___	___* PFC___	20	10	-	-	-	-	___0.25___	___6___	-	-	___DIP-8___ ___SOP-8___
___L8561___	___L8561___	___* 1% Precision (@ TJ = 25℃) Internal Reference Voltage___ ___* Output Overvoltage Protection___ ___* Very Low Power Start-Up Current___ ___* Current Sense Filter On Chip___ ___* Disable Function (with ZCD pin)___ ___* Transition Mode Operation___ ___* Gate Driving Current: ± 400mA___ ___* 15V Gate clamped___	___* PFC___	18	15.3	7.9	-	-	-	___0.035___	___6___	-	-	___DIP-8___ ___SOP-8___
___L8562___	___L8562___	___* 1% Precision (@ TJ = 25℃) Internal Reference Voltage___ ___* Output Overvoltage Protection___ ___* Very Low Power Start-Up Current___ ___* Current Sense Filter On Chip___ ___* Disable Function (with ZCD pin)___ ___* Transition Mode Operation___ ___* Gate Driving Current: ± 400mA___ ___* 15V Gate clamped___	___* PFC___	18	15.3	7.9	-	-	-	___0.03___	___6___	-	-	___DIP-8___ ___SOP-8___
___L8532___	___L8532___	___* Very Low 24μA Typical Startup Current___ ___* Constant On Time PWM Control___ ___* Cycle-by-Cycle Current Protection___ ___* Low Current Sense Threshold of 500mV___ ___* Low 2mA Typical Operating Current___ ___* Source 500mA/Sink 800mA Totem Pole Gate Driver___ ___* Reference Design for TRIAC and Trailing Edge Line Dimmers___ ___* Wide Operating Temperature Range___ ___* No Input Voltage Sensing Requirement___ ___* Enable Function and Overvoltage Protection___	___* PFC___	20	12	9.5	-	-	-	___0.024___	___2.1___	-	-	___SOP-8___
___L8565___	___L8565___	___* Supports wide input range___ ___* Average current control___ ___* External current and voltage loop compensation___ ___* Trimmed internal reference voltage (5V±2%)___ ___* Max duty cycle of 95% (typ) at 125kHz___ ___* Under voltage lockout___ ___* Cycle by cycle peak current limiting___ ___* Over-voltage protection___ ___* Open loop detection___ ___* Output under-voltage detection___ ___* Brown-out protection___ ___* Soft Over current Protection___ ___* Enhanced dynamic response___	___* PFC___	22	11.2	10.2	125	250	95	___0.1___	___23___	-	-	___SOP-8___
___內部使用SPEC不放網站上___	___L7842___	___* Low quiescent current___ ___* Average current, continuous boost leading edge PFC___ ___* Fast transconductance error amp for voltage loop.___ ___* Double (current & voltage) mode operation PWM___ ___* Programmable soft start___ ___* Improved anti-interference technique___ ___* UVLO pull-down and brown-out control___	___* PFC___	14.4	13	3	76	81	95	___0.7___	___16___	-	-	___DIP-16___
___MC34262___	___MC34262___	___* Output over voltage protection___ ___* Internal Startup Timer___ ___* One Quadrant Multiplier___ ___* Zero Current Detector___ ___* Trimmed 2% Internal Bandgap Reference___ ___* Totem Pole Output with High State Clamp___ ___* Undervoltage Lockout (UVLO) with 5.0V of Hysteresis___ ___* Low Startup and Operating Current___	___* PFC___	36	-	-	-	-	-	___0.4___	___12___	-	-	___DIP-8___ ___SOP-8___
___UC3854___	___UC3854___	___* Controls Boost Preregulator to Near Unity Power Factor___ ___* Limits Line Distortion___ ___* World-Wide Line Operation___ ___* Accurate Power Limiting___ ___* Fixed Frequency Average Current Mode Control___ ___* High Bandwidth (5MHz), Low Offset Current Amplifier___ ___* Integrated Current and Voltage Amp Output Clamps___ ___* Multiplier Improvements: Linearity, 500mV VAC Offset (eliminates external resistor), 0-5V Multout Common Mode Range___ ___* VREF "GOOD" Comparator___ ___* Faster and Improved Accuracy ENABLE Comparator___	___* PFC___	22	16/10.5	10	-	-	-	___0.25___	___12___	-	-	___SOP-16___
___UCS1654S___	___UCS1654S___	___High Performance Current Mode Power Switch___ ______ ___* Internal Power MOSFET (650V)___ ___* Programming Gate Driver Capability___ ___* Internal Soft start___ ___* Gate Output Maximum Voltage Clamp(16V)___ ___* Over temperature protection___ ___* Overload protection___ ___* Over voltage protection___ ___* Leading edge blanking___ ___* Cycle-by-Cycle current limiting___ ___* Under Voltage Lock Out___	___* SSR___ ___* Build-in MOSFET___	32	20	8	65	70	80	___0.002___	___3.2___	650	1.5	___DIP-7A___ ___DIP-8___
___UCS1655S___	___UCS1655S___	___High Performance Current Mode Power Switch___ ______ ___* Internal Power MOSFET (650V)___ ___* Programming Gate Driver Capability___ ___* Internal Soft start___ ___* Gate Output Maximum Voltage Clamp(16V)___ ___* Over temperature protection___ ___* Overload protection___ ___* Over voltage protection___ ___* Leading edge blanking___ ___* Cycle-by-Cycle current limiting___ ___* Under Voltage Lock Out___	___* SSR___ ___* Build-in MOSFET___	32	20	8	65	70	80	___0.002___	___3.5___	650	1.3	___DIP-7A___ ___DIP-8___
___US3835___	___US3835___	___Primary Side Regulation Green Mode PWM Power Switch___ ______ ___* Internal High Voltage Start-up Circuit___ ___* Internal 150V Power MOSFET___ ___* Over temperature protection___ ___* Over voltage protection___ ___* Leading edge blanking___ ___* Cycle-by-Cycle current limiting___ ___* Under Voltage Lock Out___	___* Non-isolated___ ___* Build-in MOSFET___	46	14.5	7.5	60	-	-	___-___	___0.01___	150	1.1	___DIP-8___
___US2351___	___US2351___	___HIGH PRECISION LOW COST MCM POWER SWITCH___ ______ ___* Power on soft-start___ ___* Built-in error amplifier___ ___* Built-in Leading Edge Blanking (LEB)___ ___* Cycle-by-Cycle current limiting___ ___* Over loading protection___ ___* Output short-circuit protection___ ___* VDD OVP___	___* Non-isolated___ ___* Build-in MOSFET___	40	13.5	7.8	60	66	-	___0.005___	___1.5___	600	15	___SOP-8___
___US2651___	___US2651___	___HIGH PRECISION LOW COST MCM POWER SWITCH___ ______ ___* Power on soft-start___ ___* Built-in error amplifier___ ___* Built-in Leading Edge Blanking (LEB)___ ___* Cycle-by-Cycle current limiting___ ___* Over loading protection___ ___* Output short-circuit protection___ ___* VDD Under Voltage Lockout with hysteresis (UVLO)___ ___* VDD OVP___	___* Non-isolated___ ___* Build-in MOSFET___	40	14.5	8.5	50	60	-	___.035___	___3___	600	15	___DIP-8___ ___SOP-8___
___US3651___	___US3651___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* Built-in 600V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation___ ___in CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in leading edge blanking___ ___* Cycle-by-cycle current limiting___ ___* VDD under-voltage lockout___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.005___	___1.6___	600	11	___DIP-8___ ___SOP-8___
___US3652___	___US3652___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* Built-in 600V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation___ ___in CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in leading edge blanking___ ___* Cycle-by-cycle current limiting___ ___* VDD under-voltage lockout___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.005___	___1.6___	600	4	___DIP-8___ ___DIP-7A___
___USR3651___	___USR3651___	___* Built-in 650V Power MOSFET___ ___* ±5% constant voltage regulation at___ ___universal AC input___ ___* High precision constant current regulation___ ___at universal AC input___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in___ ___CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in primary winding inductance___ ___compensation___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.005___	___1.6___	650	7.5	___SOP-8___
___USR3651S___	___USR3651S___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* High Voltage startup___ ___* Built-in 600V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in___ ___CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in leading edge blanking___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.7___	___1.6___	650	7.5	___DIP-8___ ___SOP-8___
___USR3652___	___USR3652___	___HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH___ ______ ___* Built-in 650V Power MOSFET___ ___* ±5% constant voltage regulation at universal AC input___ ___* High precision constant current regulation___ ___at universal AC input___ ___* Programmable cable compensation in___ ___CV mode___ ___* Frequency hopping to reduce system EMI___ ___* Built-in primary winding inductance___ ___compensation___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.005___	___1.6___	650	4	___SOP-8___
___USR3652S___	___USR3652S___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* High Voltage startup circuit___ ___* Built-in 650V Power MOSFET___ ___* Programmable cable compensation in CV mode___ ___* Flyback topology in DCM operation___ ___* Built-in leading edge blanking___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.7___	___1.6___	650	5	___DIP-8___
___USRB01A___	___USRB01A___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* Flyback topology in DCM operation___ ___* Built-in power NPN___ ___* Built-in leading edge blanking___ ___* Open circuit protection___ ___* Output over voltage protection___ ___* VDD over voltage protection___ ___* Short circuit protection___ ___* Over temperature protection___	___* PSR___ ___* Build-in BJT___	30	12.5	6.8	-	-	-	___0.001___	___0.3___	700	-	___SOP-8___
___USRB04___	___USRB04___	___HIGH PRECISION PRECISION LOW POWER SWITCH___ ______ ___* Universal AC input range and 5.0V output voltage___ ___* Constant power mode operation at over___ ___load application___ ___* Low cost and less BOM for buck and___ ___buck-boost applications___ ___* 40kHz (typical) maximum switching frequency___ ___* Frequency shuffling for EMI improvement___ ___* Cycle-by-cycle current limiting___ ___* FB pin open loop protection___	___* PSR___ ___* Build-in BJT___	20	11.5	3.7	40	44	11	___0.01___	___1.5___	700	-	___SOP-8___
___UCSR3654___	___UCSR3654___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* Built-in 650V Power MOSFET___ ___* ±5% constant voltage regulation at universal___ ___AC input___ ___* High precision constant current regulation___ ___at universal AC input___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in CV mode___ ___* Flyback topology in DCM operation___ ___* Frequency hopping to reduce system EMI___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.005___	___1.6___	650	1.6	___DIP-8___ ___SOP-8___
___UCSR3651S___	___UCSR3651S___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* High Voltage startup circuit___ ___* Built-in 650V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in CV mode___ ___* Built-in leading edge blanking___ ___* Power on soft start___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.7___	___1.6___	650	3	___DIP-7A___ ___SOP-8___
___UCSR3652S___	___UCSR3652S___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* High Voltage startup circuit___ ___* Built-in 650V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in CV mode___ ___* Built-in leading edge blanking___ ___* Power on soft start___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.7___	___1.6___	650	2.4	___DIP-7A___ ___SOP-8___ ___DIP-8___
___UCSR3654S___	___UCSR3654S___	___High Precision CC/CV Primary-Side PWM Power Switch___ ______ ___* High Voltage startup circuit___ ___* Built-in 650V Power MOSFET___ ___* Programmable CV and CC regulation___ ___* Programmable cable compensation in CV mode___ ___* Built-in leading edge blanking___ ___* Power on soft start___ ___* Cycle-by-cycle current limiting___	___* PSR___ ___* Build-in MOSFET___	-	14.5	9	65	75	-	___0.7___	___1.6___	650	1.6	___DIP-7A___ ___DIP-8___
___PSRB05___	___PSRB05___	___Low Power Off-Line CC/CV Primary Side Power___ ___Switch___ ______ ___* Built-in 800V Power BJT___ ___* High precision constant current regulation at universal AC input___ ___* Programmable cable compensation in CV mode___ ___* Programmable line voltage compensation___ ___* ≤75mW standby power consumption___ ___* Frequency hopping to reduce system EMI___ ___* Built-in leading edge blanking___	___* PSR___ ___* Build-in BJT___	30	15.5	4.5	-	-	-	___0.0005___	___0.5___	800	-	___SOP-8___
___US2652SQ___	___US2652SQ___	___LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS___ ______ ___* Proprietary frequency hopping for Improved___ ___EMI performance___ ___* Low standby power with only 30~70mW___ ___* Dynamic peak current limiting for constant___ ___output power___ ___* Built-in synchronized slope compensation___ ___* Adjustable DC output OVP___ ___* OLP/VCC OVP/OTP/BNO/LNO___ ___(automatic recovery)___	___* Quasi-Resonant___ ___* Build-in MOSFET___	36	20	8.2	65	70	62	___0.0035___	___0.8___	-	-	___DIP-7A___
___US321S___	___US321S___	___Integrated 650V HV start-up circuit___ ___* Low standby power dissipation___ ___* Under-voltage lockout (UVLO) with hysteresis___ ___* Provides complete protection functions___ ___　Cycle-by-cycle current limit___ ___　Output over-voltage Protection___	___* Non-isolated___	30	7.5	7	-	-	-	___0.1___	___0.8___	-	-	___SOP-8___
___US4657___	___US4657___	___* Internal High Voltage Start-up Circuit___ ___* Internal 650V Power MOSFET___ ___* Lower than 0.1W Standby Power Design___ ___* Gate Output Maximum Voltage Clamp(15V)___ ___* Over temperature protection___ ___* Over voltage protection___ ___* Leading edge blanking___ ___* Cycle-by-Cycle current limiting___ ___* Under Voltage Lock Out___	___* Non-isolated___ ___* Build-in MOSFET___	46	14.5	7.7	60	-	-	___0.0005___	___1.8___	650	9	___DIP-8___
___U2525A___	___U2525A___	___PWM controller IC, PWM latching___ ______ ___* Adjustable dead time control___ ___* Internal soft-start___ ___* Pulse-by-pulse shutdown___ ___* Input under-voltage lockout with hysteresis___ ___* Latching PWM to prevent multiple pulses___	___* PWM controllers___	35	-	-	-	400	49	___-___	___14___	-	-	___DIP-16___ ___SOP-16___ ___SOP-16W___ ___SOP-16N___ ___TSSOP-16___