Datasheet > LP2985A

LP2985A

更新时间： 2024-02-21 19:11:50

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
23页	527K
描述
150MA LOW NOISE LOW DROPOUT REGULATOR WITH SHUTDOWN

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中文翻译

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LP2985A 数据手册

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SLVS522C − JULY 2004 − REVISED OCTOBER 2004

Available in the Texas Instruments

NanoStar and NanoFree Wafer Chip

Scale Packages

Stable With Low-ESR Capacitors, Including

Ceramic

Over-Current and Thermal Protection

High Peak-Current Capability

Output Tolerance of:

− 1% (A Grade)

− 1.5% (Standard Grade)

For V

Data Sheet

Options 3 2.3 V, See LP2985LV

OUT

Ultra-Low Dropout, Typically

− 280 mV at Full Load of 150 mA

− 7 mV at 1 mA

Portable Applications

− Cellular Phones

− Palmtop and Laptop Computers

− Personal Digital Assistants (PDAs)

− Digital Cameras and Camcorders

− CD Players

Wide V Range . . . 16 V Max

Low I . . . 850 µA at Full Load at 150 mA

Shutdown Current . . . 0.01 µA Typ

− MP3 Players

Low Noise . . . 30 µV

Capacitor

With 10-nF Bypass

RMS

DBV (SOT-23) PACKAGE

(TOP VIEW)

YEQ, YEU, YZQ, OR YZU (WCSP) PACKAGE

(TOP VIEW)

GND

ON/OFF

OUT

BYPASS

GND

ON/OFF

description/ordering information

The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for

both portable and nonportable applications. Available in voltages of 2.5 V, 2.6 V, 2.7 V, 2.8 V, 2.85 V, 3 V,

3.1 V, 3.2 V, 3.3 V, and 5 V, the family has an output tolerance of 1% for the A version (1.5% for the non-A version)

and is capable of delivering 150-mA continuous load current. Standard regulator features, such as over-current

and over-temperature protection, are included.

The LP2985 has a host of features that makes the regulator an ideal candidate for a variety of portable

applications:

• Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-mA load current and 7 mV

at 1-mA load.

• Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are

considerably lower than those associated with traditional lateral PNP regulators.

• Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 µA when the

ON/OFF pin is pulled low.

• Low-ESR-capacitor friendly: The regulator is stable with low-ESR capacitors, allowing the use of small,

inexpensive, ceramic capacitors in cost-sensitive applications.

• Low noise: A BYPASS pin allows for low-noise operation, with a typical output noise of 30 µV (RMS),

with the use of a 10-nF bypass capacitor.

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.

NanoStar and NanoFree are trademarks of Texas Instruments.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...23

中文翻译

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与LP2985A相关器件

型号	品牌	获取价格	描述	数据表
LP2985A-10	TI	获取价格	150-mA Low-noise Low-dropout Regulator With Shutdown
LP2985A-10DBVR	TI	获取价格	150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
LP2985A-10DBVT	TI	获取价格	150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
LP2985A-12DBVR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-12DBVT	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-12YEQR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-12YEUR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-12YZQR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-12YZUR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V
LP2985A-13DBVR	TI	获取价格	150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V

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