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LTC1559-5

Linear Technology
Part Number LTC1559-5
Manufacturer Linear Technology
Description Backup Battery Controller
Published Mar 27, 2005
Detailed Description LTC1559-3.3/LTC1559-5 Backup Battery Controller with Fixed Output FEATURES s s DESCRIPTION The LTC®1559 is a backup bat...
Datasheet PDF File LTC1559-5 PDF File

LTC1559-5
LTC1559-5

Overview
LTC1559-3.
3/LTC1559-5 Backup Battery Controller with Fixed Output FEATURES s s DESCRIPTION The LTC®1559 is a backup battery controller that provides all the functions necessary to implement a backup 3.
3V or 5V power supply using a single NiCd cell.
It includes a 1.
2V to 3.
07V/4.
63V boost converter, an intelligent 2-stage battery charger, automatic backup switching and a microprocessor reset generator.
The boost converter uses a synchronous switching architecture to achieve a typical efficiency of 70%, ensuring maximum backup lifetime from a small NiCd cell.
The on-chip NiCd charger uses an internal gas gauge to minimize fast recharge time and prevent overcharging of the backup cell, thereby...


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