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LTC3643

Part Number	LTC3643
Manufacturer	Linear
Description	2A Bidirectional Power Backup Supply
Published	Dec 16, 2017
Detailed Description	LTC3643 2A Bidirectional Power Backup Supply FEATURES nn Bidirectional Synchronous Boost Capacitor Charger/Buck Regulat...
Datasheet	LTC3643 PDF File

Overview

LTC3643 2A Bidirectional Power Backup Supply FEATURES nn Bidirectional Synchronous Boost Capacitor Charger/Buck Regulator for System Backup nn Wide Input Voltage Range: 3V to 17V nn Up to 40V Capacitor Voltage Storage for High Energy Backup nn 2A Maximum CAP Charge Current nn Integrated Power N-Channel MOSFETs (150mΩ Top and 75mΩ Bottom) nn Integrated Power N-Channel MOSFET for Output/CAP Disconnect (50mΩ) nn Input Current Limit During Charging nn Fast 1MHz Switching Frequency nn ±1% Reference Accuracy for System Voltage Regulation nn Indicator Outputs for Charge Status and Input Power Fail nn Low Profile 24-lead 3mm × 5mm QFN Package APPLICATIONS nn Backup Capacitor Systems nn Power Failur...

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