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LTC3455-1 Datasheet Dual DC/dc Converter

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3455/LTC3455-1 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General 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 × 0.75mm 24-Pin QFN Package APPLICATIONS n Handheld puters n Digital Cameras n MP3 Players The LTC®3455/LTC3455-1 are plete power management solutions for a variety of portable applications.

These devices contain two synchronous step-down DC/DC converters, a USB power controller, a full-featured Li-Ion battery charger, a Hot Swap output, a low-battery indicator, and numerous internal protection

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LTC3400-1 1.2MHz Micropower Synchronous Boost Converter
LTC3402 Synchronous Boost Converter
LTC3404 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator
LTC3406 Synchronous Step-Down Regulator
LTC3406-1.5 Synchronous Step-Down Regulator
LTC3406-1.8 Synchronous Step-Down Regulator
LTC3406AB 600mA Synchronous Step-Down Regulator
LTC3406AB-2 600mA Synchronous Step-Down Regulator
LTC3406B-1.2 600mA Synchronous Step-Down Regulator
LTC3406B-2 600mA Synchronous Step-Down Regulator

LTC3455-1 Distributor