Class 2 Dual Output High Efficiency Non-Isolated Synch Flyback Conv for PoE Apps Reference Design
PMP9012
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Description

This reference design is an IEEE802.3af, type 1 compliant powered device. The synchronous flyback converter provides good efficiency with dual outputs (5V/580mA, 3.3V/900mA), non-isolated. It can be used in PoE applications such as a video or VoIP phones. The TPS23785BPWP contains both the PoE powered device and the PWM controller functions.

Features

• Good efficiency, non-isolated, synchronous flyback design
• 34V to 57V adapter input capability
• IEEE 802.3af Type 1 hardware classification
• 5V @ 580mA and 3.3V @ 900mA output
• IEEE802.3af, Type 1 compliant


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Schematic/Block Diagram

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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TLV431A  1% accuracy, low-voltage, adjustable precision shunt regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 787 03 Jun 2014
Design files (5)
Title Type Size (KB) Date
ZIP 1191 03 Jun 2014
PDF 1461 03 Jun 2014
PDF 255 03 Jun 2014
PDF 140 03 Jun 2014
PDF 261 03 Jun 2014

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