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MAX1817

Part Number	MAX1817
Manufacturer	Maxim
Description	Compact / High-Efficiency / Dual-Output Step-Up DC-DC Converter
Published	May 6, 2005
Detailed Description	19-1794 Rev 0; 10/00 Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter General Description The MAX1817 is a...
Datasheet	MAX1817 PDF File

Overview

19-1794 Rev 0; 10/00 Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter General Description The MAX1817 is a compact, high-efficiency, dual-output step-up converter for portable devices that provides both the main logic supply and the LCD bias.
The device operates from an input voltage of +1.
5V to +5.
5V, allowing the use of 2- or 3-cell alkaline batteries, or 1-cell lithium-ion (Li+) batteries.
The MAX1817’s main regulator supplies 125mA at either a preset 3.
3V or an adjustable 2.
5V to 5.
5V output voltage with up to 88% efficiency.
A 0.
1µA shutdown state also minimizes battery drain.
The MAX1817’s secondary step-up converter provides the LCD bias voltage and is adjustable up to +...

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