Datasheet > LP3919

LP3919

更新时间： 2024-11-16 02:58:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
7页	652K
描述
CDMA Power Management Unit

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LP3919 数据手册

LP3919

www.ti.com

SNVS493D –MAY 2007–REVISED JUNE 2007

CDMA Power Management Unit

Check for Samples: LP3919

DESCRIPTION

The LP3919 is a complete Power Management Unit (PMU) designed for CDMA cellular phones. The LP3919

PMU contains a Li-Ion battery charger, low-noise low-dropout voltage regulators, buck regulators, a USB

Transceiver, comparators and a high-speed serial interface to program on/off conditions and output voltages of

individual regulators, and to read status information of the PMU.

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

System Diagram

Li-Ion Charger

AC Adapter

BB Processor

Power Domains

ADC

MPL

2 x DC/DC

9 x LDO

Memory

I/O

Control

Interface of

Baseband

Processor

USB Transceiver

2 x Comparator

Peripheral Devices

LP3919

Connector

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7

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