TIDA-00863

LDO Parallel Solution Reference Design with TPS7B4253-Q1

TIDA-00863

Design files

Overview

This reference design uses a very-low tolerant, voltage-tracking LDO TPS7B4253-Q1 to demonstrate the implementation of LDO parallel for high-output current and low-IQ requirements.

Features
  • Expanded output current of up to 900 mA
  • Good thermal performance under large load conditions
  • 4- to 40-V wide-input voltage range
  • Wide range of output capacitor selection
  • Stable with 10- to 500-µF ceramic output capacitor
  • ESR range from 0.001 Ω to 20 Ω
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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.

TIDUB16A.PDF (930 KB)

Reference design overview and verified performance test data

TIDRK79.PDF (106 KB)

Detailed overview of design layout for component placement

TIDRK78.PDF (203 KB)

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

TIDRK81.ZIP (334 KB)

Files used for 3D models or 2D drawings of IC components

TIDCBR0.ZIP (1390 KB)

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

TIDRK80.PDF (568 KB)

PCB layer plot file used for generating PCB design layout

TIDRK77.PDF (192 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS7B4253-Q1Automotive 300-mA, off-battery (40-V), adjustable voltage-tracking low-dropout voltage regulator

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide LDO Parallel Solution Reference Design With TPS7B4253-Q1 (Rev. A) Jan 20, 2016

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