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ADP3402, ADP3402A, ADP3402ARU

Table of contents:
Info of ADP3402
Info of ADP3402A
Info of ADP3402ARU

ADP3402, ADP3402A, ADP3402ARU Selling Leads, Datasheet

MFG:AD Package Cooled:SMD D/C:00-99

ADP3402, ADP3402A, ADP3402ARU Datasheet download

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Part Number: ADP3402

MFG: AD

Package Cooled: SMD

D/C: 00-99

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ADP3402ARU General Description

The ADP3402 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 ADP3402 ideal for both single cell Li-Ion and three cell NiMH designs. The current consumption of the ADP3402 has been optimized for maximum battery life, featuring a ground current of only 230 mA when the phone is in standby (digital LDO, analog LDO, and SIM card supply active). An undervoltage lockout (UVLO) prevents the startup when there is not enough energy in the battery. All four integrated LDOs are optimized to power one of the critical sub-blocks of the phone. Their novel anyCAP™ architecture requires only very small output capacitors for stability, and the LDOs are insensitive to the capacitors' equivalent series resistance (ESR). This makes them stable with any capacitor, including ceramic (MLCC) types for space-restricted applications. A step-up converter is implemented to supply both the SIM module and the level translation circuitry to adapt logic signals for 3 V and 5 V SIM modules. Sophisticated controls are available for power-up during battery charging, keypad interface and charging of an auxiliary back-up capacitor for the real-time clock. These allow an easy interface between ADP3402, GSM processor, charger, and keypad. The 28-lead TSSOP package has been thermally enhanced to maximize power dissipation capability. Furthermore, a reset circuit and a thermal shutdown function have been implemented to support reliable system design.

ADP3402ARU Maximum Ratings

ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin with Respect to Any
GND Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V, +10 V
Voltage on Any Pin May Not Exceed VBAT,
with the Following Exceptions: VRTC,
VSIM, CAP+, PWRONIN, I/O, CLK, RST
Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
Operating Temperature Range . . . . . . . . . . . 20°C to +85°C
Maximum Junction Temperature . . . . . . . . . . . . . . . . . 125°C
qJA, Thermal Impedance (TSSOP-28) . . 2-Layer Board 90°C/W
qJA, Thermal Impedance (TSSOP-28) . . 4-Layer Board 60°C/W
Lead Temperature Range (Soldering, 60 sec) . . . . . . . . 300°C

ADP3402ARU Features

Handles all GSM Baseband Power Management
Functions
Four LDOs Optimized for Specific GSM Subsystems
Charges Back-Up Capacitor for Real-Time Clock
Charge Pump and Logic Level Translators for 3 V and 5 V
GSM SIM Modules
Thermally Enhanced 6.1 mm 28-Lead TSSOP Package

ADP3402ARU Typical Application

GSM/DCS/PCS Handsets
TeleMatic Systems
ICO/Iridium Terminals

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