36VDC-75VDC Input, 3.3V/30A 1/8th Brick Active Clamp Forward
PMP4234
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Description

This reference design generates an isolated 3.3V/10A output from a standard 48V telecom bus input. The UCC2897A is used to control an active clamp forward topology with self-driven synchronous rectifiers. The electrical components fit into the area of a standard 1/8th brick footprint. Peak efficiency is over 92%.

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  




Parametrics
 PMP4234.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)75
Vout (Nom) (V)3.3
Iout (Max) (A)10
Output Power (W)33
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyForward- Active Clamp
Forward- Synchronous

TI Devices (2)

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
TLV431A  1% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
UCC2897A  Advanced Current-Mode Active Clamp PWM Controller  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)
TLV431A Download Download
Download Download
Download -
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UCC2897A Download Download
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1068 28 Mar 2012
Design files (4)
Title Type Size (KB) Date
PDF 88 28 Mar 2012
ZIP 121 28 Mar 2012
PDF 29 28 Mar 2012
PDF 76 28 Mar 2012

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