LTC3455-1
Description
Seamless Transition between Input Power Sources: Li-Ion Battery, USB, and 5V Wall Adapter Accurate USB Current Limiting (500mA/100mA) Two High Efficiency DC/DC Converters: Up to 96% Thermal Regulation Maximizes Battery Charge Rate without Risk of Overheating Full-Featured Li-Ion Battery Charger with 4.2V Float Voltage for LTC3455 and 4.1V for LTC3455-1 4.1V Float Voltage (LTC3455-1) Improves Battery Life and High Temperature Safety Margin Hot Swap™ Output for SDIO and Memory Cards Pin-Selectable Burst Mode® Operation Output Disconnect: All Outputs Discharged to Ground During Shutdown Available in a 4mm × 4mm × 0.75mm 24-Pin QFN Package.