LP3974RME/NOPB Description
The LP3974RME/NOPB is designed to meet the power management requirements of the latest cellular phones which contains a single-input Li-Ion battery charger, 16 low-dropout voltage regulators (including 5 wide input low-output regulators, 2 over-voltage protected voltage regulators, and 4 buck regulators), dual DPDT analogue switches, real-time clock, and backup battery charger.
LP3974RME/NOPB Features
Linear Charger with Single Input
11 General-Type Low Noise LDOs
5 Wide-Input Low-Output (WILO) LDOs
AlI LDOs S/W Configurable
Two Over-Voltage Protected Outputs for USB Transceivers
Real-Time Clock with Two Alarms
Back-Up Battery Charger
Momentary Power Loss Detection
Interrupt Request to Reduce S/W Polling
I2C-Compatible Serial Interface
100-Bump 0.4 mm Pitch Micro SMDxt Package
LP3974RME/NOPB Applications
