LP3923 Description
The LP3923 is a fully Integrated Power Management Unit (PMU) designed for CDMA cellular phones. The LP3923 PMU contains a fully integrated Li-Ion battery charger with power FET and over-voltage-protection (OVP), one Buck regulator, 8 low-noise low-dropout (LDO) voltage regulators, and a high-speed serial interface to program on/ off conditions and output voltages of individual regulators, and to read status...
LP3923 Key Features
- Integrated Li-Ion battery charger with power FET, thermal
- Key Specifications
- 50 mA to 1200 mA Charging Current
- 3.0V to 5.5V Input Voltage Range
- 135 mV typ. Dropout Voltage @ 300 mA LDOs
- 700 mA (typ.) buck regulator