36V-75VDC Input, 5V/20A Active Clamp Forward, 1/8th Brick Reference Design PMP8366 (ACTIVE)

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Description

This reference design generates a 5V/20A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17312Q5, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This design is laid out in a standard 1/8th brick footprint and includes enable, remote sense, and output overvoltage features.

Features
  • 36V to 75VDC Input, 5V/20A Output (100W)
  • Active Clamp Foward Topology
  • Features UCC2897A Controller along with TI NexFET Synchronous Rectifiers
  • Industry Standard Eighth Brick Footprint
  • Output Overvoltage protection
  • Romote Sense

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP8366.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)75
Vout (Nom) (V)5
Iout (Max) (A)20
Output Power (W)100
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyForward- Active Clamp

TI Devices (3)

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
CSD17312Q5  30V N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy Not Available
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
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)
CSD17312Q5 Download Download
TL431 Download Download
Download Download
Download -
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Download Download
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Download Download
Download -
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UCC2897A Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2591 07 Oct 2012
Design files (4)
Title Type Size (KB) Date
ZIP 374 07 Oct 2012
PDF 197 07 Oct 2012
PDF 21 07 Oct 2012
PDF 49 07 Oct 2012

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