ADP3408

PRODUCTION

GSM Power Management System

Data Sheet (Rev. A) Product Selection Table

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Overview

Handles All GSM Baseband Power Management
6 LDOs Optimized for Specific GSM Subsystems

Li-Ion and NiMH Battery Charge Function
Optimized for the AD20msp430 Baseband Chipset

The ADP3408 is a multifunction power system chip optimized for GSM handsets, especially those based on the Analog Devices AD20msp430 system solution. It contains six LDOs, one to power each of the critical GSM sub-blocks. Sophisticated controls are available for power up during battery charging, keypad interface, and RTC alarm. The charge circuit maintains low current charging during the initial charge phase and provides an end of charge signal when a Li-Ion battery is being charged.

APPLICATIONS

GSM/DCS/PCS/CDMA Handsets

Documentation

Data Sheet 1

ADP3408: GSM Power Management System Data Sheet (Rev.A) 09/13/2001

Application Note 2

AN-1072: How to Successfully Apply Low Dropout Regulators 04/27/2010

AN-678: Supporting Legacy 5 V SIM Cards with the ADP3408 and ADP3522 (Rev.0) 01/01/2000

Frequently Asked Question 1

FAQ 09/05/2025

This is the most up-to-date revision of the Data Sheet.

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Tools & Simulations

ADI Linear Regulator Design Tool and Parametric Search

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

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