PMP7246 Reference Design

Texas Instruments

36-60Vin: 350W Slow Drain Modulation Power Converter with PSFB ZTE and HSHB Reference Design

Description

This is a 350W High Speed Full Bridge Phase Shift ZVT 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 can 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 also be used for all other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 12A (18Apeak).

Features
  • Greater than 90% efficiency at full load (24V/0.5A)Less than 80mW of stand-by power consumption under no loadConstant Current regulation feature of UCC28700DBV ensures output short-circuit protectionFast Start-up
Applications
  • Merchant DC/DC
Product Categories
  • Power management

End Equipment Reference Diagrams

Parts

Part Number Name Companion Part
INA194 INA194 Buy Datasheet
LM317L LM317L Buy Datasheet
LM5039 LM5039 Buy Datasheet
TL431 TL431 Buy Datasheet
TLV271 TLV271 Buy Datasheet
TLV272 TLV272 Buy Datasheet
UCC27200A UCC27200A Buy Datasheet
UCC28950 UCC28950 Buy Datasheet
UCC37324 UCC37324 Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP7246 Gerber 24 Nov 2014 ZIP 216
PMP7246 BOM 24 Nov 2014 PDF 29
PMP7246 Schematic 24 Nov 2014 PDF 309