LTC3643 Datasheet PDF (2A Bidirectional Power Backup Supply)

LTC3643 - 2A Bidirectional Power Backup Supply

Description

The LTC®3643 is a bidirectional synchronous stepup charger and step-down converter which efficiently charges a capacitor array up to 40V from an input supply between 3V to 17V.

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 Out.

Datasheet Details

Part number	LTC3643
Manufacturer	Linear
File Size	383.84 KB
Description	2A Bidirectional Power Backup Supply
Datasheet	LTC3643 Datasheet
Additional preview pages of the LTC3643 datasheet.

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Full PDF Text Transcription

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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 Failure Backup Systems nn Solid-State Drives DESCRIPTION The LTC®3643 is a bidirectional synchronous step

Published: Dec 16, 2017 |