Datasheet Summary
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...