PMP8366

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

PMP8366

Design files

Overview

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
Output voltage options PMP8366.1
Vin (Min) (V) 36
Vin (Max) (V) 75
Vout (Nom) (V) 5
Iout (Max) (A) 20
Output Power (W) 100
Isolated/Non-Isolated Isolated
Input Type DC
Topology Forward- Active Clamp

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

SLUUA28.PDF (2656 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

SLUR963.PDF (49 K)

Detailed schematic diagram for design layout and components

SLUR964.PDF (21 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

SLUC387.ZIP (374 K)

Design file that contains information on physical board layer of design PCB

SLUUA29.PDF (197 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

N-channel MOSFETs

CSD17312Q530-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.7 mOhm

Data sheet document-pdfAcrobat PDF
PWM controllers

UCC2897A110-V active clamp current mode PWM controller with P-channel clamp FET and line OV protection

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

TL431Adjustable precision shunt regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
Test report PMP8366 Test Results Oct. 07, 2012

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