85-265Vin, 5Vout, 1Aout, AC-DC Fly-Buck Converter Reference Design PMP10834 (ACTIVE)

Description & Features

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Key Document

Description

The PMP10834RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs (85VAC to 265VAC). This non-isolated Flybuck design incorporates the UCC28C42 PWM with an optocoupler feedback to provide 1% output voltage regulation. All the circuit components (including magnetics) are standard parts.

Features
  • Non-isolated AC-DC 5V/1A Flybuck converter.
  • Less than 45 degree C temperature rise on all parts.
  • 1% output voltage regulation accuracy.
  • Utilize all standard components (including magnetics).
  • Compact board size with 1.4" W x 2.7" L.
  • Test report available.

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP10834.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)5
Iout (Max) (A)1
Output Power (W)5
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlybuck

TI Devices (4)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
UCC28C42  BiCMOS Low Current 8 Pin PWM Current Mode Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available
UCC28C45  BiCMOS Low-Power Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available
UCC38C43  BiCMOS Low-Power Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TL431 Download Download
Download Download
Download -
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Download Download
Download Download
Download Download
Download -
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UCC28C42 Download Download
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UCC28C45 Download Download
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UCC38C43 Download Download
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Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1214 16 Jul 2015
Design files (5)
Title Type Size (KB) Date
ZIP 388 16 Jul 2015
ZIP 1285 16 Jul 2015
PDF 99 16 Jul 2015
PDF 131 16 Jul 2015
PDF 263 16 Jul 2015

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