UCC28502

BiCMOS PFC/PWM Combination Controller

Texas Instruments

UCC28502 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

UCC28502 General Description

The UCC2850x family provides all of the control functions necessary for an active power-factorcorrected preregulator and a second-stage dc-to- dc converter. The controller achieves near-unity power factor by shaping the ac input line current waveform to correspond to the ac input-line voltage using .

UCC28502 Datasheet (1.36 MB)

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Datasheet Details

Part number:

UCC28502

Manufacturer:

Texas Instruments ↗

File Size:

1.36 MB

Description:

Bicmos pfc/pwm combination controller.
UCC28500, UCC28501, UCC28502, UCC28503 UCC38500, UCC38501, UCC38502, UCC38503 SLUS419C

* AUGUST 1999

* REVISED NOVEMBER 2001 BiCMOS P.

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UCC28502 BiCMOS PFC PWM Combination Controller Texas Instruments

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UCC28502 Features

UCC28502 General Description

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