PMP10143 Reference Design

Texas Instruments

Universal AC Input: Dual Output (12V@30mA: 3.3V@400mA) Isolated Flyback Converter Reference Design

Description

The PMP10143 reference design demonstrates the use of UCC28880 high-voltage switcher to design an Offline Isolated Flyback converter that can supply greater than 100mA output current. Using 2ndary side feedback control: the design delivers a tighly regulated 3.3V/400mA output that can be used to bias micontrollers and DSPs. In addition the design also provides a 2nd output rail of 12V/30mA that can be used to supply relays and other analog devices.

Features
  • UCC28880-based Isolated Flyback converterDesign delivers >100mA outputTightly regulated 3.3V output (>74% efficiency at full-load on both railsFlyback transformer designed for basic isolationShort-circuit withstand capability of 3 secondsThis design is tested and includes test results and CAD files
Applications
  • Grid asset monitoring
  • Compact relay
Product Categories
  • Power management

Parts

Part Number Name Companion Part
LMV431A LMV431A 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)
PMP10143 CAD Files 23 Sep 2015 ZIP 96
PMP10143 Assembly Drawing 23 Sep 2015 PDF 208
PMP10143 BOM 23 Sep 2015 PDF 112
PMP10143 Schematic 23 Sep 2015 PDF 253