General Description
Micrel’s MIC2571 is a micropower boost switching regulator that operates from one alkaline, nickel-metal-hydride cell, or lithium cell.
The MIC2571 accepts a positive input voltage between 0.9V and 15V. Its typical no-load supply current is 120µA.

Features
• Operates from a single-cell supply 0.9V to 15V operation
• 120µA typical quiescent current
• Complete regulator fits 0.3 in2 area
• 2.85V/3.3V/5V selectable output voltage (MIC2571-1)
• Adjustable output up to 36V (MIC2571-2)
• 1A current limited pass element
• Frequency synchronization input
• 8-lead MSOP package

Applications
• Pagers
• LCD bias generator
• Battery-powered, hand-held instruments
• Palmtop computers
• Remote controls
• Detectors
• Battery Backup Supplies