LP3921
Description
The LP3921 is a fully integrated charger and multiregulator unit with a fully differential Boomer audio power amplifier designed for CDMA cellular phones.
Key Features
- 23 Charger - DC Adapter or USB Input - Thermally Regulated Charge Current - Under Voltage Lockout - 50 to 950 mA Programmable Charge Current
- 3.0V to 5.5V Input Voltage Range
- Thermal Shutdown
- LDO's 7 Low-Noise LDO’s - 2 x 300 mA - 3 x 150 mA - 2 x 80 mA 2% (typ.) Output Voltage Accuracy on LDO's
- Space-Efficient 32-pin 5 x 5 mm WQFN Package
Applications
- Low Power Wireless Handsets
