PRELIMINARY TECHNICAL DATA
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CDMA Power Management System
Preliminary Technical Data
ADP3500
FEATURES
Handles all CDMA Baseband and RF/IF Power Management Functions LDOs Optimized for Specific CDMA Subsystems Four Backup LDOs for Stand-By mode operation Four Li-Ion Battery Charge Modes 5mA Pre Charge Low Current Charge Full Current Charge
Regulator mode (no current limit) Ambient Temperature: -30 °C to +85 °C 64pin 7x7 LQFP package
APPLICATIONS CDMA/CDMA2000/PCS Handsets
GENERAL DESCRIPTION
The ADP3500 is a multifunction power system chip optimized for CDMA cell phone power management.
It contains 15 LDOs.
Sophisticated controls are available for power up during battery charging, keypad...