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

Maxim

Description

19-1349; Rev 1a; 10/98 L MANUA ION KIT HEET T A U L EVA TA S WS DA FOLLO 1-Cell, Step-Up Two-Way Pager System IC ____________________________.
The MAX847 is a complete power-supply and monitoring system for two-way pagers or other low-power digital communications devices.

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Datasheet Specifications

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

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 ________

Applications

* Two-Way Pagers GPS Receivers 1-Cell Powered Hand-Held Equipment ____________________________________________________Typical Operating Circuit INPUT SINGLE AA ALKALINE BATTERY 0.8V TO 1.8V LOW-BATTERY IN/OUT RESET IN/OUT SERIAL I/O LBI LBO RSIN RSO CS SCL SDI SDO DR1 DR2 DR2IN DRGND BATT LX1 OUT PG

MAX847 Distributors

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MAX847 1-Cell Step-Up Two-Way Pager System Maxim

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