PMP10236 Reference Design

Texas Instruments

Dual-Output 5V at 300mA and 15V at 100mA Isolated Flyback From 85V to 440V AC Mains Reference Design

Description

This is an isolated quasi-resonant flyback converter: supplying 5 V at 300 mA and 15 V at 100 mA; both outputs are isolated from each other. The UCC28722 has been chosen to drive a low-cost high-voltage BJT transistor.

Features
  • UCC28722-based isolated flyback70% peak efficiency at full load 325-V DC input voltageWide input voltage range: 85-V to 440-V ACLow cost due to main switch BJT transistorMagnetic feedback - no optocoupler needed
Applications
  • Circuit breaker (ACB
  • MCCB
  • VCB)
Product Categories
  • Power management

Parts

Part Number Name Companion Part
UCC28722 UCC28722 Buy Datasheet

Bill Of Materials

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Schematic

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP10236 Gerber 28 Apr 2016 ZIP 181
PMP10236 CAD Files 28 Apr 2016 ZIP 110
PMP10236 PCB (from PMP10397) 28 Apr 2016 PDF 656
PMP10236 Assembly Drawing 28 Apr 2016 PDF 79
PMP10236 BOM 28 Apr 2016 PDF 109
PMP10236 Schematic 28 Apr 2016 PDF 259