Power management

Overview for linear regulators (LDOs)

TI has an LDO that fits your requirements, along with design resources and expertise

Low dropout (LDO) regulators are a simple, inexpensive way to regulate an output voltage that is powered from a higher voltage input. TI's LDO regulators have many different features such as low noise, wide Vin, small size, low Iq and processor attach. With over 500 devices designed for different applications, robust quick-selection capabilities and best-in-class performance, TI has the most complete LDO portfolio in the industry.

Getting started

LDO Basics

Learn all about the basic elements of designing LDOs into your power designs in this e-book.

Fundamentals of designing with LDOs in auto battery direct connect applications

This document describes various LDO specifications in the context of automotive applications, with a key focus on battery-direct connection and driving an off-board load system.

Low Dropout Regulators Quick Reference Guide (Rev. P)

In this guide, you will find TI’s most popular LDOs and linear voltage regulators sorted by top parameters and applications.

Browse by key features

Low noise

Optimizes signal integrity for noise sensitive loads

Low Iq

Extends battery life by saving power

Small size

Tiny, high-performance LDOs for limited PCB space

Powering FPGAs & processors

Achieves clean, accurate and efficient power

Wide input voltage range

Robust LDOs that manage large transient voltages

Browse by application


Robust LDOs with wide input voltages, low quiescent current and wide temperature grade


Increase system accuracy, safety and reliability with automotive LDOs

Personal electronics

High-performance, tiny LDOs for limited PCB space


LDOs that achieve clean, accurate and efficient power

Featured LDO resources

Visit the TI E2E™ community to ask questions, share knowledge and help solve problems with fellow engineers.

Complete board-level and system-level reference design circuits to help you quickly evaluate and customize your power system.

Search for any suppliers’ LDO regulator to find similar TI devices by parameter.


Linear regulator (LDO) blogs

Read the latest in designing with TI's LDOs and other linear regulators.