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LT1579 - 300mA Dual Input Smart Battery Backup Regulator

Download the LT1579 datasheet PDF. This datasheet also covers the LT1 variant, as both devices belong to the same 300ma dual input smart battery backup regulator family and are provided as variant models within a single manufacturer datasheet.

Description

The LT®1579 is a dual input, single output, low dropout regulator.

This device is designed to provide an uninterruptible output voltage from two independent input voltage sources on a priority basis.

All of the circuitry needed to switch smoothly and automatically between inputs is incorporated.

Features

  • s s s s s s s s s s s s s.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT1-579.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Linear Technology (Analog Devices)

Part Number Description
LT1571 Constant-Current/ Constant-Voltage Battery Charger with Preset Voltage and Termination Flag
LT1572 100kHz/ 1.25A Switching Regulator with Catch Diode
LT1573 Low Dropout PNP Regulator Driver
LT1575 Ultrafast Transient Response/ Low Dropout Regulators Adjustable and Fixed
LT1576 1.5A/ 200kHz Step-Down Switching Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LT1579 300mA Dual Input Smart Battery Backup Regulator FEATURES s s s s s s s s s s s s s DESCRIPTION The LT®1579 is a dual input, single output, low dropout regulator. This device is designed to provide an uninterruptible output voltage from two independent input voltage sources on a priority basis. All of the circuitry needed to switch smoothly and automatically between inputs is incorporated. The LT1579 can supply 300mA of output current from either input at a dropout voltage of 0.4V. Quiescent current is 50µA, dropping to 7µA in shutdown. Two comparators are included to monitor input voltage status. Two additional status flags indicate which input is supplying power and provide an early warning against loss of output regulation when both inputs are low.
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