85-265VAC Input, 12V/30W Two-Switch Flyback Reference Design PMP10936 (ACTIVE)

Description & Features

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Key Document

Description

The PMP10936 reference design uses the UCC28740 to provide an isolated 12V at 2.5A output.  The UCC24636 is used to control a synchronous recitifer for high efficiency.  The two-switch flyback topology recycles the transformer's leakage energy and provides a further improvement in efficiency.

Features
  • Over  89% average efficiency
  • Less than 40mW standby power consumption
  • Constant current regulation prevents excessive currents in overload
  • Compact size 53mm X 55mm X 23mm (2.1" X 2.15" X 0.9")

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP10936.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)12
Iout (Max) (A)2.5
Output Power (W)30
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- Quasi Resonant

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19531Q5A  100V, N ch NexFET MOSFET™, single SON5x6, 6.4mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TLVH431A  1% accuracy low-voltage wide-operating current adjustable precision shunt regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
UCC24636  Synchronous Rectifier Controller With Ultra-Low Standby Current  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28740  Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD19531Q5A VSONP (DQJ)| 8 Download
TLVH431A Download Download
Download Download
Download -
Download Download
Download Download
UCC24636 Download Download
UCC28740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2612 24 Sep 2015
Design files (5)
Title Type Size (KB) Date
ZIP 211 24 Sep 2015
PDF 255 24 Sep 2015
PDF 69 24 Sep 2015
PDF 106 24 Sep 2015
PDF 149 24 Sep 2015

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