Maxim Integrated Switching Regulator, Surface Mount, 3.16 → 3.44V dc Output Voltage, 5.5V dc Input Voltage, 90mA

0.87V Guaranteed Start-Up
Up to 90% Efficiency
Built-In Synchronous Rectifier (no external diode)
Ultra-Small μMAX Package, 1.1mm High
37μA Quiescent Current (85μA from 1.5V battery)
2μA Logic-Controlled Shutdown
Power-Fail Detector
Dual Mode™ Output: Fixed 3.3V
Dual Mode Adjustable 2V to 5.5V
45mA Output Current at 3.3V for 1-Cell Input
90mA Output Current at 3.3V for 2-Cell Input
Inductor-Damping Switch Suppresses EMI
Applications
Pagers
Personal Medical Monitors
Pointing Devices
Remote Controls
Single-Cell Battery-Powered Devices

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