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UCC38500 BiCMOS PFC/PWM Combination Controller

UCC38500 Description

UCC28500, UCC28501, UCC28502, UCC28503 UCC38500, UCC38501, UCC38502, UCC38503 SLUS419C * AUGUST 1999 * REVISED NOVEMBER 2001 BiCMOS P.
The UCC2850x family provides all of the control functions necessary for an active power-factorcorrected preregulator and a second-stage dc-to- dc conv.

UCC38500 Features

* D Combines PFC and Downstream Converter Controls D Controls Boost Preregulator to Near-Unity Power Factor D Accurate Power Limiting D Improved Feedforward Line Regulation D Peak Current-Mode Control in Second Stage D Programmable Oscillator D Leading-Edge/Trailing-Edge Modulation for Reduced Output

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BiCMOS PFC PWM Combination Controller Texas Instruments
Texas Instruments UCC38500-like datasheet