MAX1643 Datasheet - Maxim

MAX1643, Step-Up DC-DC Converters

19-1183; Rev 0; 6/97 ANUAL N KIT M EET IO T A U EVAL TA SH WS DA FOLLO High-Efficiency, Step-Up DC-DC Converters for 1V Inputs _____________________.
The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell.

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Datasheet Details

Part number:

MAX1643

Manufacturer:

Maxim

File Size:

146.81 KB

Description:

Step-Up DC-DC Converters

Features

* o Built-In Synchronous Rectifier o 0.88V Guaranteed Start-Up o Ultra-Small µMAX Package: 1.1mm High o 83% Efficiency o 4µA Quiescent Supply Current into BATT Pin o 2µA Logic-Controlled Shutdown (MAX1642) o Two Undervoltage Detectors (MAX1643) o 2V to 5.2V Output Range o 20mA Output Current at 1.2V I

Applications

* Pagers Remote Controls Pointing Devices Personal Medical Monitors Single-Cell Battery-Powered Devices
* Dice are tested at TA = +25°C. Note: To order these devices shipped in tape and reel, add a -T to the part number. _________________Pin Configurations TOP VIEW BATT 1 8 OUT LX GND FB _______

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MAX1643 Step-Up DC-DC Converters Maxim

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