资料介绍
LTC3555FEATURES
POWER MANAGER ■ High Efciency Switching PowerPathTM Controller with Bat-TrackTM Adaptive Output Control ■ Programmable USB or Wall Current Limit (100mA/500mA/1A) ■ Full Featured Li-Ion/Polymer Battery Charger ■ 1.5A Maximum Charge Current ■ Internal 180mΩ Ideal Diode + External Ideal Diode Controller Powers Load in Battery Mode ■ Low No-Load Quiescent Current when Powered from BAT (<30μA) DC/DCs ■ Triple High Efciency Step-Down DC/DCs (1A/400mA/400mA IOUT) ■ All Regulators Operate at 2.25MHz ■ Dynamic Voltage Scaling on Two Outputs ■ I2C or Independent Enable, V OUT Controls ■ Low No-Load Quiescent Current: 20μA ■ 28-Pin (4mm × 5mm × 0.75mm) QFN Surface Mount Package
LTC3555 High Efciency USB Power Manager + Triple Step-Down DC/DC DESCRIPTION
The LTC3555 is a highly integrated po
我要上传