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ADP3500 - CDMA Power Management

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 interface, GPIO/INT function and RTC function.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRELIMINARY TECHNICAL DATA a 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 interface, GPIO/INT function and RTC function.