PMP5726

350W Slow Drain Modulation Power Converter

PMP5726

Design files

Overview

The PMP5726 is 350W High Speed Full Bridge Phase Shift ZVT – Galvanic Isolated Full Bridge Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant converter). It is capable to modulate output voltage from 20V to 32V within 200us (at maximum 200uF of capacitive load) – so called: slow drain modulation. The converter has full load steps capability as well. It is a very small design for high sophisticated telecom applications. The system can be used also for every other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 11.5A (18Apeak)

Output voltage options PMP5726.1
Vin (Min) (V) 36
Vin (Max) (V) 60
Vout (Nom) (V) 20
Iout (Max) (A) 11.5
Output Power (W) 230
Isolated/Non-Isolated Isolated
Input Type DC
Topology Full Bridge- Phase Shifted

Design files & products

Design files

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

SLUU764.PDF (830 K)

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

SLUR676.PDF (315 K)

Detailed schematic diagram for design layout and components

SLUR677.PDF (34 K)

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

Products

Includes TI products in the design and potential alternatives.

Half-bridge drivers

UCC272003-A, 120-V half bridge gate driver with 8-V UVLO and CMOS inputs

Data sheet document-pdfAcrobat PDF open-in-new HTML
Low-side drivers

UCC373244-A/4-A dual-channel gate driver with non-inverting inputs

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

UCC28950Green phase-shifted full-bridge controller with Synchronous Rectification control

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

Technical documentation

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Type Title Date
Test report PMP5726 Test Results Nov. 14, 2011

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