LTC3557/LTC3557-1
USB Power Manager with Li-Ion Charger and Three
Step-Down Regulators
FEATURES
■ Seamless Transition Between Input Power Sources: Li-Ion Battery, USB, 5V Wall Adapter or High Voltage Buck Regulator with Bat-TrackTM
■ 200mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss Power Path When Input Current is L...