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ADP3405 - GSM Power Management System

Description

The ADP3405 is a multifunction power management system IC optimized for GSM cell phones.

The wide input voltage range of 3.0 V to 7.0 V makes the ADP3405 ideal for both single cell Li-Ion and three cell NiMH designs.

Features

  • Handles all GSM Baseband Power Management Functions Four LDOs Optimized for Specific GSM Subsystems Charges Li-Mn Coin Cell for Real-Time Clock Charge Pump and Logic Level Translators for 3 V and 5 V GSM SIM Modules Narrow Body 4.4 mm 28-Lead TSSOP Package.

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Datasheet Details

Part number ADP3405
Manufacturer Analog Devices
File Size 152.26 KB
Description GSM Power Management System
Datasheet download datasheet ADP3405 Datasheet
Additional preview pages of the ADP3405 datasheet.

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Full PDF Text Transcription

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a FEATURES Handles all GSM Baseband Power Management Functions Four LDOs Optimized for Specific GSM Subsystems Charges Li-Mn Coin Cell for Real-Time Clock Charge Pump and Logic Level Translators for 3 V and 5 V GSM SIM Modules Narrow Body 4.4 mm 28-Lead TSSOP Package APPLICATIONS GSM/DCS/PCS Handsets TeleMatic Systems ICO/Iridium Terminals GSM Power Management System ADP3405 FUNCTIONAL BLOCK DIAGRAM VBAT ADP3405 DIGITAL LDO VCC RESET PWRONKEY ROWX POWER-UP SEQUENCING AND PROTECTION LOGIC RTC LDO VRTC PWRONIN ANALOGON RESCAP XTAL OSC LDO VTCXO GENERAL DESCRIPTION The ADP3405 is a multifunction power management system IC optimized for GSM cell phones. The wide input voltage range of 3.0 V to 7.0 V makes the ADP3405 ideal for both single cell Li-Ion and three cell NiMH designs.
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