PMP7453 Reference Design

Texas Instruments

High Efficiency 100W Active Clamp Forward 220V-400VDC Input: 28V/ 3.6A Reference Design

Description

This reference design generates an isolated 28V/100W output from a high voltage DC input. This design is intended to operate from the output of PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 92% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.

Features
  • High efficiencySelf-driven synchronous rectifiersGood thermal performance
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
SN74AHCT74 SN74AHCT74 Buy Datasheet
TL103WA TL103WA Buy Datasheet
TL431A TL431A Buy Datasheet
UCC2897A UCC2897A Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP7453 Assembly Drawing 26 Jan 2015 PDF 203
PMP7453 BOM 23 Jan 2015 PDF 80
PMP7453 Schematic 23 Jan 2015 PDF 165