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65W (130W Surge) Flyback Power Supply for Laptop Adapter Apps w/85-265VAC Input Reference Design
PMP9208
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Description & Features

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Description

The PMP9208 is a power adapter reference design for 19.5V output, constant voltage / constant current, 65W flyback power supply with 130W surge capability. Primary side regulation eliminates feedback opto-coupler and provides 1% regulation down to no-load. Average efficiency of > 89% and no load power of < 70mW are achieved. 0 - 100% load transients enabled by a secondary side fast wake up circuit.

Features

• Primary Side Regulation (PSR)            
• +/- 1% Voltage Regulation               
• +/- 7.5% Current Regulation
• <70mW Stand-by Power           
• Short Circuit Protection
• High Voltage Startup           
• > 85% Efficiency at 10% load


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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TL331  High Voltage Single Differential Comparator  Amplifiers  Sample & Buy Not Available
TLVH432  1.5% low-voltage wide-operating current adjustable precision shunt regulator (reverse pinout)  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
UCC28630  High power Flyback controller with PSR, peak power mode, X-Cap discharge, and freq dither  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28631  High power Flyback controller with PSR, peak power mode, and Frequency Dither  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28632  High power Flyback controller with PSR and peak power mode  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28633  High power Flyback controller with PSR, peak power mode, X-Cap discharge, Adj CC limit, freq dither  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)
TL331 Download Download
TLVH432 Download Download
Download -
UCC28630 Download
UCC28631 Download Download
UCC28632 Download Download
UCC28633 Download Download

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Technical documentation

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User guides (2)
Title Type Size (KB) Date
PDF 408 15 May 2014
PDF 1433 14 May 2014
Design files (6)
Title Type Size (KB) Date
ZIP 9969 14 May 2014
PDF 372 14 May 2014
PDF 201 14 May 2014
PDF 188 14 May 2014
PDF 60 14 May 2014
PDF 142 14 May 2014

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