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Product Descriptions

The UCC280x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

Product Features

? 100-μA typical starting supply current

? 500-μA typical operating supply current

? Operation up to 1 MHz

? Internal soft start

? Internal fault soft start

? Internal leading-edge blanking of the current sense signal

? 1-A totem-pole output

? 70-ns typical response from current-sense to gate drive output

? 1.5% tolerance voltage reference

? Same pinout as UC3842 and UC3842A

Product Applications

? Switch mode power supplies (SMPS)

? DC-to-DC converters

? Power modules

? Automotive PSU

? Battery-operated PSU

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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