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UC3873

LOW COST POWER-SAVING ?MODE PWM CONTROLLER ?FOR FLYBACK CONVERTERS

The? UC3873 is a high performance current mode PWM controller ideally suited for low standby power. Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power. At no load condition, the IC operates i; UTC proprietary frequency hopping technology for Improved EMI performance.?Power-saving mode for high light-load and standby efficiencySoft Start??Dynamic peak current limiting for constant output powerBuilt-in synchronized slope compensationOLP,OVP and VDD clamp for higher securityProgramming OTP f;

UC3873

LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

UC3873

LOW COST POWER-SAVING MODE PWM CONTROLLER

UC3873B

LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

The? UC3873B is a high performance current mode PWM controller ideally suited for low standby power. Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power. At no load condition, the IC operates ; UTC proprietary frequency hopping technology for Improved EMI performance.?Power-saving mode for high light-load and standby efficiencySoft Start??Dynamic peak current limiting for constant output powerBuilt-in synchronized slope compensationOLP,OVP and VDD clamp for higher security-500/+500mA gate ;

UC3873C

LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

The UTC UC3873C is a high performance current mode PWMcontroller ideally suited for low standby power. Low VDD startupcurrent make the power reliable on startup design and a largevalue resistor could be used in the startup circuit to minimize thestandby power. At no load condition, the IC operates i; UTC proprietary frequency hopping technology for Improved EMI performance. Power-saving mode for high light-load and standby efficiency Soft Start Dynamic peak current limiting for constant output power Built-in synchronized slope compensation OLP with automatic recovery OTP and OVP( automatic recov;

UC3873_15

LOW COST POWER-SAVING MODE PWM CONTROLLER

UC3873_16

LOW COST POWER-SAVING MODE PWM CONTROLLER

UC3873A

LOW COST POWER-SAVING MODE PWM CONTROLLER

UC3873AG-AG6-R

LOW COST POWER-SAVING MODE PWM CONTROLLER

UC3873AL-AG6-R

LOW COST POWER-SAVING MODE PWM CONTROLLER