MAX856 Step-Up DC-DC Converters

Maxim

Description

19-0211; Rev 4; 5/96 NUAL KIT MA ATION SHEET A EVALU T A D WS FOLLO 3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters _________________________.
The MAX856. MAX859 are high-efficiency, CMOS, stepup, DC-DC switching regulators for small, low input voltage or battery-powered systems.

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Datasheet Specifications

Part number: MAX856
Manufacturer: Maxim
File Size: 126.92 KB
Datasheet: MAX856_MaximIntegratedProducts.pdf
Description: Step-Up DC-DC Converters

Features

* o o o o o o o o o o 0.8V to 6.0V Input Supply Voltage 0.8V Typ Start-Up Supply Voltage 85% Efficiency at 100mA 25µA Quiescent Current 1µA Shutdown Mode 125mA and 500mA Switch-Current Limits Permit Use of Low-Cost Inductors Up to 500kHz Switching Frequency ±1.5% Reference Tolerance Over Temperature L

Applications

* 3.3V to 5V Step-Up Conversion Palmtop Computers Portable Data-Collection Equipment Personal Data Communicators/Computers Medical Instrumentation 2-Cell & 3-Cell Battery-Operated Equipment Glucose Meters __________Typical Operating Circuit INPUT 0.8V TO VOUT Ordering Information continued at end of

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MAX856 Step-Up DC-DC Converters Maxim

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