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TPS7H4003-SEP - 18-A Synchronous Buck Converter

Description

The TPS7H4003-SEP is a radiation-tolerant, 7-V, 18A synchronous buck converter with integrated lowresistance high-side and low-side MOSFETs in a thermally enhanced 34-pin ceramic flatpack package.

High efficiency and reduced component count are achieved through current mode control.

Features

  • Radiation performance:.
  • SEL, SEB, and SEGR immune up to LET = 43 MeV-cm2/mg.
  • SET and SEFI characterized up to LET = 43 MeV-cm2/mg.
  • TID assured for every wafer lot up to 50 krad(Si).
  • Peak efficiency: 94% (VO = 1 V at 100 kHz).
  • Integrated 17-mΩ and 9-mΩ MOSFETs.
  • Power rail: 3 V to 7 V on VIN.
  • Flexible switching frequency options:.
  • 100-kHz to 1-MHz adjustable internal oscillator.
  • External sync capability: 100.

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Datasheet preview – TPS7H4003-SEP

Datasheet Details

Part number TPS7H4003-SEP
Manufacturer Texas Instruments
File Size 3.30 MB
Description 18-A Synchronous Buck Converter
Datasheet download datasheet TPS7H4003-SEP Datasheet
Additional preview pages of the TPS7H4003-SEP datasheet.

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Full PDF Text Transcription

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TPS7H4003-SEP SLVSG41 – JANUARY 2022 TPS7H4003-SEP Radiation-Tolerant 3-V to 7-V Input 18-A Synchronous Buck Converter in Space Enhanced Plastic 1 Features • Radiation performance: – SEL, SEB, and SEGR immune up to LET = 43 MeV-cm2/mg – SET and SEFI characterized up to LET = 43 MeV-cm2/mg – TID assured for every wafer lot up to 50 krad(Si) • Peak efficiency: 94% (VO = 1 V at 100 kHz) • Integrated 17-mΩ and 9-mΩ MOSFETs • Power rail: 3 V to 7 V on VIN • Flexible switching frequency options: – 100-kHz to 1-MHz adjustable internal oscillator – External sync capability: 100 kHz to 1 MHz – SYNC pins can be configured as 500-kHz clocks at 90° out of phase to parallel up to 4 devices • 0.6-V ±1.
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