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UC3842A, UC3843A Datasheet - Fairchild Semiconductor

UC3842A SMPS Controller

The UC3842A/UC3843A are fixed PWM controller for OffLine and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem-pole output for driving a P.

UC3842A Features

* Low Start Current 0.2mA (typ) Operating Range Up To 500KHz Cycle by Cycle Current Limiting Under Voltage Lock Out With Hysteresis Short Shutdown Delay Time: typ.100ns High Current Totem-pole Output Output Swing Limiting: 22V Desc

UC3843A_FairchildSemiconductor.pdf

This datasheet PDF includes multiple part numbers: UC3842A, UC3843A. Please refer to the document for exact specifications by model.
UC3842A Datasheet Preview Page 2 UC3842A Datasheet Preview Page 3

Datasheet Details

Part number:

UC3842A, UC3843A

Manufacturer:

Fairchild Semiconductor

File Size:

42.49 KB

Description:

Smps controller.

Note:

This datasheet PDF includes multiple part numbers: UC3842A, UC3843A.
Please refer to the document for exact specifications by model.

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TAGS

UC3842A UC3843A SMPS Controller Fairchild Semiconductor

UC3842A Distributor