TIDA-050061

Scalable, high-current, low-noise parallel low-dropout (LDO) reference design

TIDA-050061

Design files

Overview

The TIDA-050061 parallel low-dropout (LDO) reference design showcases the TPS7A57 low-noise LDO linear regulator in a parallel configuration using ballast resistors, which is capable of sourcing 13 A. A high-performance load-transient circuit is included to assist the user with high-speed load-transient testing. Low inductive current loops also are included to assist with input and output current measurements.

Features
  • Load current: 15 A (max) 
  • Input voltage range: 0.7 V to 6 V
  • Selectable output voltages: 0.5 V to 5 V
  • VBIAS range: 3 V to 11 V
  • Current reference and unity-gain low dropout (LDO)
  • TPS7A57EVM-081 EVM supports this reference design
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Design files & products

Design files

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

PDF | HTML
TIDUF09.PDF (1547 K)

Reference design overview and verified performance test data

TIDMB92.PDF (497 K)

Detailed schematic diagram for design layout and components

TIDMB93.PDF (162 K)

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

TIDMB94.PDF (326 K)

Detailed overview of design layout for component placement

TIDMB96.ZIP (4750 K)

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

TIDCGC8.ZIP (5943 K)

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

TIDMB95.PDF (2175 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS7A575-A, low-input-voltage, low-noise, high-accuracy low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML

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Hardware

Evaluation board

TPS7A57EVM-081 — TPS7A57 evaluation module for 5-A low-noise high-accuracy low-dropout (LDO) voltage regulator

The TPS7A57EVM-081 evaluation module (EVM) is a platform for developing the TPS7A57, which is a low-noise, low-dropout (LDO) linear regulator. The TIDA-050061 reference design showcases the TPS7A57 in a parallel configuration using ballast resistors, which is capable of sourcing 13 A.

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Technical documentation

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Type Title Date
Design guide Scalable, High-Current, Low-Noise Parallel LDO Reference Design PDF | HTML Dec. 23, 2022

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