MAX1642EUA-T Hoja de datos - Maxim Integrated
Número de pieza
MAX1642EUA-T
Fabricante
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Maxim Integrated
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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 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. Each device consists of an
FEATUREs
♦ Built-In Synchronous Rectifier
♦ 0.88V Guaranteed Start-Up
♦ Ultra-Small µMAX Package: 1.1mm High
♦ 83% Efficiency
♦ 4µA Quiescent Supply Current into BATT Pin
♦ 2µA Logic-Controlled Shutdown (MAX1642)
♦ Two Undervoltage Detectors (MAX1643)
♦ 2V to 5.2V Output Range
♦ 20mA Output Current at 1.2V Input
♦ Reverse Battery Protection
APPLICATIONs
Pagers
Remote Controls
Pointing Devices
Personal Medical Monitors
Single-Cell Battery-Powered Devices
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