UC3842A, UC3843A Datasheet - Fairchild Semiconductor

UC3842A, UC3843A, SMPS Controller

www.fairchildsemi.com UC3842A/UC3843A SMPS Controller .
The UC3842A/UC3843A are fixed PWM controller for OffLine and DC to DC converter applications.

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UC3843A_FairchildSemiconductor.pdf

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

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.

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

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 POWER MOSFET. Also UC3842A/ UC3843A provide low start up current below 0.3mA and short shutdow

UC3842A Distributors

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