Power Management

Cross Reference

Application Notes


Tools & Software

Block Diagrams

PowerLab™ Reference Design Library

WEBENCH® Design Center

Understanding the Terms and Definitions of LDO Voltage Regulators


This report provides an understanding of the terms and definitions of low dropout (LDO) voltage regulators, and describes fundamental concepts including dropout voltage, quiescent current, standby current, efficiency, transient response, line/load regulation, power supply rejection, output noise voltage, accuracy, and power dissipation. Each section includes an example to increase the understandability.