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LTC3455-1 - Dual DC/DC Converter

This page provides the datasheet information for the LTC3455-1, a member of the LTC3455 Dual DC/DC Converter family.

Description

n Seamless Transition between Input Power Sources: Li-Ion Battery, USB, and 5V Wall Adapter n Accurate USB Current Limiting (500mA/100mA) n Two High Efficiency DC/DC Converters: Up to 96% n Thermal Regulation Maximizes Battery Charge Rate without Risk of Overheating n Full-Featured Li-Ion Battery Ch

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Full PDF Text Transcription

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LTC3455/LTC3455-1 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger FEATURES DESCRIPTION n Seamless Transition between Input Power Sources: Li-Ion Battery, USB, and 5V Wall Adapter n Accurate USB Current Limiting (500mA/100mA) n Two High Efficiency DC/DC Converters: Up to 96% n Thermal Regulation Maximizes Battery Charge Rate without Risk of Overheating n Full-Featured Li-Ion Battery Charger with 4.2V Float Voltage for LTC3455 and 4.1V for LTC3455-1 n 4.1V Float Voltage (LTC3455-1) Improves Battery Life and High Temperature Safety Margin n Hot Swap™ Output for SDIO and Memory Cards n Pin-Selectable Burst Mode® Operation n Output Disconnect: All Outputs Discharged to Ground During Shutdown n Available in a 4mm × 4mm × 0.
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