Datasheet > ADP3404ARUZ-REEL7

ADP3404ARUZ-REEL7

更新时间： 2024-11-26 14:40:47

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
12页	141K
描述
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, ROHS COMPLIANT, TSSOP-28, Power Management Circuit

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GSM Power Management System

ADP3404

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Handles all GSM Baseband Power Management

Functions

VBAT

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

ADP3404

DIGITAL

VCC

LDO

Narrow Body 4.4 mm 28-Lead TSSOP Package

RESET

APPLICATIONS

PWRONKEY

GSM/DCS/PCS Handsets

TeleMatic Systems

ICO/Iridium Terminals

RTC LDO

VRTC

ROWX

POWER-UP

SEQUENCING

AND

PROTECTION

LOGIC

XTAL OSC

LDO

PWRONIN

ANALOGON

RESCAP

VTCXO

VCCA

GENERAL DESCRIPTION

ANALOG

LDO

CHRON

The ADP3404 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 ADP3404 ideal for both single cell

Li-Ion and three cell NiMH designs. The current consumption

of the ADP3404 has been optimized for maximum battery life,

featuring a ground current of only 230 µA 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.

SIMBAT

CAP+

CAP؊

CHARGE

VSIM

PUMP

SIMPROG

SIMON

BUFFER

REFOUT

DGND

REF

SIMGND

RESETIN

CLKIN

LOGIC LEVEL

TRANSLATION

AGND

DATAIO

CLK RST

I/O

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 avail-

able 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 ADP3404, GSM proces-

sor, charger, and keypad. Furthermore, a reset circuit and a

thermal shutdown function have been implemented to support

reliable system design.

anyCAP is a registered trademark of Analog Devices, Inc.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: www.analog.com

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与ADP3404ARUZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADP3405	ADI	获取价格	GSM Power Management System
ADP3405ARU	ADI	获取价格	GSM Power Management System
ADP3405ARU-REEL	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28
ADP3405ARU-REEL	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28, Power Management Circuit
ADP3405ARU-REEL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28
ADP3408	ADI	获取价格	GSM Power Management System
ADP3408ACP-1.8	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-
ADP3408ACP-1.8-RL	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-
ADP3408ACP-1.8-RL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-32
ADP3408ACP-2.5-RL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-32

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