Datasheet > LP2981_07

LP2981_07

更新时间： 2024-09-25 05:00:07

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
15页	267K
描述
100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN

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LP2981_07 数据手册

LP2981

100-mA ULTRA-LOW DROPOUT REGULATOR

WITH SHUTDOWN

www.ti.com

SLVS521D–JULY 2004–REVISED JULY 2007

FEATURES

PORTABLE APPLICATIONS

•

Mobile Phones

Laptops

Personal Digital Assistants (PDAs)

Digital Cameras and Camcorders

CD and MP3 Players

•

Output Tolerance of

–

0.75% (A Grade)

1.25% (Standard Grade)

•

Ultra-Low Dropout, Typically

–

200 mV at Full Load of 100 mA

7 mV at 1 mA

DBV (SOT-23) PACKAGE

(TOP VIEW)

•

Wide V_INRange…16 V Max

Low I_Q…600 μA Typ at Full Load of 100 mA

Shutdown Current…0.01 μA Typ

Fast Transient Response to Line and Load

Overcurrent and Thermal Protection

High Peak Current Capability

GND

OUT

ON/OFF

NC − No connect; must be left open

DESCRIPTION/ORDERING INFORMATION

The LP2981 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both

portable and nonportable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an

output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering

100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature

protection, are included.

The LP2981 has features that make the regulator an ideal candidate for a variety of portable applications:

•

Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-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.

Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 package.

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.

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...15

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与LP2981_07相关器件

型号	品牌	获取价格	描述	数据表
LP2981_08	TI	获取价格	100-mA ULTRA-LOW DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125DBVR	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125DBVT	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-125YEQR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, CSP-5
LP2981-125YZQR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, LEAD FREE, CSP-5
LP2981-125YZUR	TI	获取价格	1.25V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, LEAD FREE, CSP-5
LP2981-18DBVR	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-18DBVT	TI	获取价格	100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-18YEQR	TI	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, CSP-5
LP2981-18YZUR	TI	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PBGA5, LEAD FREE, CSP-5

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