LTC3553
Features
Micropower USB Power Manager With Li-Ion Charger,
LDO and Buck
Regulator Description
n 12μA Standby Mode Quiescent Current (All Outputs On) n Seamless Transition Between Input Power Sources:
Li-Ion/Polymer Battery and USB n 240mΩ Internal Ideal Diode Provides Low Loss
PowerPath™ n High Efficiency 200mA Buck
Regulator n 150mA Low Dropout (LDO) Linear
Regulator n Pushbutton On/Off Control With System Reset n Full Featured Li-Ion/Polymer Battery Charger n Programmable Charge Current With Thermal Limiting n Instant-On Operation With Discharged Battery n 3mm × 3mm × 0.
75mm 20-Pin QFN Package
Applications
n USB-Based Handheld Products n Portable Li-Ion/Polymer Based ...