MAX1643 Datasheet Step-up DC-dc Converters

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 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.

Datasheet Details

Part number	MAX1643
Manufacturer	Maxim Integrated (now Analog Devices)
File Size	146.81 KB
Description	Step-Up DC-DC Converters
Datasheet	MAX1643-Maxim.pdf

General Description

The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell.

They

Key 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 Input o Reverse Battery Protection _______________General.

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More Datasheets from Maxim Integrated (now Analog Devices)

Part Number	Description
MAX1640	Adjustable-Output / Switch-Mode Current Sources
MAX1641	Adjustable-Output / Switch-Mode Current Sources
MAX1642	High-Efficiency / Step-Up DC-DC Converters for 1V Inputs
MAX1644	Advanced Chemistry-Independent / Level 2 Battery Charger
MAX1645	Level 2 Battery Chargers
MAX1647	Chemistry-Independent Battery Chargers
MAX1648	Chemistry-Independent Battery Chargers
MAX1649	Step-Down DC-DC Controllers
MAX160	uP Compatible 8 Bit A/D Converter
MAX1600	Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks