UCC28521 - Advanced PFC/PWM Combination Controller

Texas Instruments

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Datasheet Details

Part number: UCC28521
Manufacturer: Texas Instruments ↗
File Size: 814.01 KB
Datasheet: UCC28521-etcTI.pdf
Description: Advanced PFC/PWM Combination Controller

UCC28521 Product details

Description

The UCC28521 and UCC28528 combination PFC/PWM controllers provide complete control functionality for any off-line power system requiring compliance with the IEC1000. 3. 2 harmonic reduction requirements..

Features

D Provides Control of PFC and PWM Power Stages In One Device D Trailing-Edge PFC, Trailing-Edge PWM Modulation D Built-In Sequencing of PFC and PWM Turn-On D 2-A Source and 3-A Sink Gate Drive for Both PFC and PWM Stages D Typical 16-ns Rise Time and 7-ns Fall Time into 1-nF Loads PFC Features.
Average-Current-Mode Control for Continuous Conduction Mode Operation.
Highly-Linear Multiplier for Near-Unity Power Factor.
Input Voltage Feedforward Implementation.
I.

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Advanced PFC PWM Combination Controller Texas Instruments

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