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LT1571 - Constant-Current/ Constant-Voltage Battery Charger with Preset Voltage and Termination Flag

Download the LT1571 datasheet PDF. This datasheet also covers the LT1 variant, as both devices belong to the same constant-current/ constant-voltage battery charger with preset voltage and termination flag family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • s Fast Charging of Li-Ion, NiMH and NiCd Batteries s Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor s High Efficiency Charger with Up to 1.5A Charge Current s Precision 0.6% Internal Voltage Reference s Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V s 500kHz or 200kHz Switching Frequency Minimizes Charger Size s Low Reverse Battery Drain Current: 5µA s Flag Indicates Li-Ion Charge Completion s 5% Typical Charge Current Accuracy s Low Shutdown Current s LT1571-1: 20.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT1-571.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
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
LT1576-5 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
LT1571 Series Constant-Current/ Constant-Voltage Battery Chargers with Preset Voltage and Termination Flag U U FEATURES s Fast Charging of Li-Ion, NiMH and NiCd Batteries s Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor s High Efficiency Charger with Up to 1.5A Charge Current s Precision 0.6% Internal Voltage Reference s Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V s 500kHz or 200kHz Switching Frequency Minimizes Charger Size s Low Reverse Battery Drain Current: 5µA s Flag Indicates Li-Ion Charge Completion s 5% Typical Charge Current Accuracy s Low Shutdown Current s LT1571-1: 200kHz, Adjustable Voltage LT1571-2: 200kHz, Fixed 8.2V or 8.4V LT1571-5: 500kHz, Fixed 4.1V or 4.