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LTC3577-4 - Highly Integrated Portable Product PMIC

This page provides the datasheet information for the LTC3577-4, a member of the LTC3577-3 Highly Integrated Portable Product PMIC family.

Description

The LTC®3577-3/LTC3577-4 are highly integrated power management ICs for single cell Li-Ion/Polymer battery applications.

Features

  • n Full Featured Li-Ion/Polymer Charger/PowerPath™ Controller with Instant-On Operation n Triple Adjustable High Efficiency Step-Down Switching Regulators (800mA, 500mA, 500mA IOUT) n I2C Adjustable SW Slew Rates for EMI Reduction n High Temperature Battery Voltage Reduction Improves Safety and Reliability n Overvoltage Protection Controller for USB (VBUS)/Wall Inputs Provide Protection to 30V n Integrated 40V Series LED Back Light Driver with 60dB Brightness Control and Gradation via I2C.

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Full PDF Text Transcription

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LTC3577-3/LTC3577-4 Highly Integrated Portable Product PMIC Features n Full Featured Li-Ion/Polymer Charger/PowerPath™ Controller with Instant-On Operation n Triple Adjustable High Efficiency Step-Down Switching Regulators (800mA, 500mA, 500mA IOUT) n I2C Adjustable SW Slew Rates for EMI Reduction n High Temperature Battery Voltage Reduction Improves Safety and Reliability n Overvoltage Protection Controller for USB (VBUS)/Wall Inputs Provide Protection to 30V n Integrated 40V Series LED Back Light Driver with 60dB Brightness Control and Gradation via I2C n 1.5A Maximum Charge Current with Thermal Limiting n Battery Float Voltage: 4.2V (LTC3577-3) 4.
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