General Description

The MAX1615/MAX1616 are micropower, SOT23-5 linear regulators that supply always-on, keep-alive power to CMOS RAM and microcontrollers (µCs) in systems with high-voltage batteries. Key features include wide input voltage range, low dropout voltage, and low quiescent supply current.

Features

♦ 4V to 28V Input Range

♦ 8µA (max) Quiescent Supply Current

♦ <1µA Shutdown Supply Current

♦ 3.3V or 5V, Pin-Selectable Output (MAX1615)

   Adjustable 1.24V to 28V Output (MAX1616)

♦ 30mA Output Current

♦ ±2 Initial Output Accuracy

♦ Thermal-Overload Protection

♦ 5-Pin SOT23 Package

♦ Low Cost

Applications

   CMOS/RTC Backup Power

   Microcontroller Power

   Notebook Computers

   Smart-Battery Packs

   PDAs and Handy-Terminals

   Battery-Powered Systems