General Description

The MAX8516/MAX8517/MAX8518 low-dropout linear regulators operate from input voltages as low as 1.425V and are able to deliver up to 1A of continuous output current with a maximum dropout voltage of only 200mV. The output voltage can be set from 0.5V to (VIN - 0.2V) and is 1.4% accurate over load and line variations, from 0°C to +85°C.

These regulators use small, 1µF ceramic input capacitors and 4.7µF ceramic output capacitors to deliver 1A output current. High bandwidth provides excellent transient response and limits the output voltage deviation to 45mV for a 20mA to 1A load step, with only a 4.7µF ceramic output capacitor, and the voltage deviations can be reduced further by increasing the output capacitor.

Features

♦ 1.425V to 3.6V Input Voltage Range

♦ Guaranteed 200mV Dropout at 1A Output Current

♦ ±1.4% Output Accuracy Over Load, Line, and Temperature (0°C to +85°C), ±0.6% Initial Accuracy

♦ Compatible with Ceramic Capacitors

♦ Fast Transient Response

♦ 320µA Operating Supply Current

♦ <25µA Shutdown Supply Current

♦ Short-Circuit Protection

♦ Thermal-Overload Protection

♦ Soft-Start Limits Inrush Current

Applications

  Servers

  Storage

  Networking

  Base Stations

  Optical Modules

  Post Regulators

  Notebooks

  PDAs

  ATE