Datasheet > LP3987

LP3987

更新时间： 2024-02-02 11:55:00

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德州仪器 - TI		稳压器
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21页	1254K
描述
Micropower DSBGA 150-mA Ultra Low Dropout CMOS Voltage Regulator With Sleep MODE

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LP3987 数据手册

LP3987

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SNVS164G –OCTOBER 2001–REVISED MAY 2013

Micropower DSBGA 150-mA Ultra Low-Dropout CMOS Voltage Regulator

With Sleep MODE

Check for Samples: LP3987

FEATURES

DESCRIPTION

The LP3987 is

a 150mA fixed output voltage

•

Miniature 5-I/O DSBGA Package

regulator with very low dropout voltage designed

specially to meet requirements of battery-powered

applications. The additional sleep MODE feature will

reduce current consumption during standby operation

to prolong the usage of battery.

Stable With Ceramic and High-Quality

Tantalum Output Capacitors

•

Logic Controlled Enable

Thermal Shutdown and Short-Circuit Current

Limit

Dropout Voltage: 100mV maximum dropout with

150mA load.

APPLICATIONS

Shutdown: Less than 1µA quiescent current.

•

CDMA Cellular Handsets

Wideband CDMA Cellular Handsets

GSM Cellular Handsets

Portable Information Appliances

µP/DSP Power Supplies

Digital Cameras

Sleep Mode: Typically 14µA quiescent current during

sleep MODE to reduce battery consumption.

Enhanced Stability: The LP3987 is stable with

minimum 1µF±20% low ESR ceramic output

capacitor as low as 5mΩ and high quality tantalum

capacitors.

The LP3987 is available in a thin 5 Bump DSBGA

package. Performance is specified for −40°C to

125°C.

SRAM Backup

KEY SPECIFICATIONS

This device is available with output voltage options of

2.5V, 2.6V, 2.8V, 2.85V, and 3.0V. For other voltage

options, please contact Texas Instruments.

•

2.7 to 6.0V Input Range

150 mA Output Current

1μA Quiescent Current on Shutdown

100 mV Maximum Dropout with 150 mA Load

50dB PSRR at 10KHz

Sleep MODE Features

Over Temperature & Over Current Protection

−40°C to +125°C Junction Temperature Range

for Operation

Typical Application Circuit

V_OUT

LP3987

V_IN

1mF

V_EN

MODE

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

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...21

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与LP3987相关器件

型号	品牌	获取价格	描述	数据表
LP3987-1.5B3A		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3B		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3C		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3D		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3E		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3F		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3G		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B3H		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B5A		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
LP3987-1.5B5B		获取价格	300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator

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