MAX1643 - Step-Up DC-DC Converters

Product Overview

Maxim

Part number	MAX1643
Manufacturer	Maxim
File Size	146.81 KB
Description	Step-Up DC-DC Converters
Datasheet	MAX1643 Datasheet
Additional preview pages of the MAX1643 datasheet.

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

They feature low quiescent supply currents and are supplied in the ultra-small µMAX package, which is only 1.1mm high.

The guaranteed start-up voltage is 0.88V.

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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Published: May 5, 2014 |