MAX847 - 1-Cell / Step-Up Two-Way Pager System IC

Maxim

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Datasheet Details

Part number	MAX847
Manufacturer	Maxim
File Size	167.37 KB
Description	1-Cell / Step-Up Two-Way Pager System IC
Datasheet	MAX847_MaximIntegratedProducts.pdf

MAX847 Product details

Description

The MAX847 is a complete power-supply and monitoring system for two-way pagers or other low-power digital communications devices. A 1-cell input, 80mA output, synchronous-rectified boost DC-DC regulator with a digitally controlled +1.8V to +4.9V output Three low-noise linear-regulator outputs Three DAC-controlled comparators for softwaredriven 3-channel A/D conversion SPI™-compatible serial interfa

Features

o 80mA Output from 1 Cell at 90% Efficiency o 13µA Idle Mode™ (coast) Current o Selectable Low-Noise PWM or Low-Current Operation o PWM Operating Frequency Synchronized to Seven Times an External Clock Source o Operates at 270kHz with No External Clock o Automatic Backup-Battery Switchover ________________General.

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Published: May 2, 2005 |