Datasheet > LP2992AILD-2.5

LP2992AILD-2.5

更新时间： 2024-11-27 22:05:31

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器电容器
页数	文件大小	规格书
15页	596K
描述
Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and LLP Packages Designed for Use with Very Low ESR Output Capacitors

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LP2992AILD-2.5 数据手册

June 2002

LP2992

Micropower 250 mA Low-Noise Ultra Low-Dropout

Regulator in SOT-23 and LLP Packages

Designed for Use with Very Low ESR Output Capacitors

General Description

Features

n Ultra low dropout voltage

The LP2992 is a 250 mA, fixed-output voltage regulator

designed to provide ultra low-dropout and low noise in bat-

tery powered applications.

n Guaranteed 250 mA output current

n Smallest possible size (SOT-23, LLP package)

n Requires minimum external components

n Stable with low-ESR output capacitor

™

Using an optimized VIP (Vertically Integrated PNP) pro-

cess, the LP2992 delivers unequalled performance in all

specifications critical to battery-powered designs:

1 µA quiescent current when shut down

Dropout Voltage: Typically 450 mV

250 mA load, and

n Low ground pin current at all loads

n Output voltage accuracy 1% (A Grade)

n High peak current capability

n Wide supply voltage range (16V max)

n Low Z_OUT: 0.3Ω typical (10 Hz to 1 MHz)

n Overtemperature/overcurrent protection

n −40˚C to +125˚C junction temperature range

n Custom voltages available

5 mV 1 mA load.

Ground Pin Current: Typically 1500 µA 250 mA load, and

75 µA 1 mA load.

Enhanced Stability: The LP2992 is stable with output ca-

pacitor ESR as low as 5 mΩ, which allows the use of ceramic

capacitors on the output.

Sleep Mode: Less than 1 µA quiescent current when

ON/OFF pin is pulled low.

Smallest Possible Size: SOT-23 and LLP packages use

absolute minimum board space.

Applications

n Cellular Phone

Precision Output: 1% tolerance output voltages available

(A grade).

n Palmtop/Laptop Computer

n Personal Digital Assistant (PDA)

n Camcorder, Personal Stereo, Camera

Low Noise: By adding a 10 nF bypass capacitor, output

noise can be reduced to 30 µV (typical).

Multiple voltage options, from 1.5V to 5.0V, are available as

standard products. Consult factory for custom voltages.

Block Diagram

20029401

™

VIP is a trademark of National Semiconductor Corporation.

DS200294

www.national.com

12 3 4 5 6 7...15

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与LP2992AILD-2.5相关器件

型号	品牌	获取价格	描述	数据表
LP2992AILD-2.5/NOPB	ROCHESTER	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.85V DROPOUT, PDSO6, LLP-6
LP2992AILD-3.3	NSC	获取价格	Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and LLP Packages Designe
LP2992AILD-3.3	TI	获取价格	LP2992 Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and WSON Packages
LP2992AILD-3.3/NOPB	NSC	获取价格	IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PDSO6, LLP-6, Fixed Positive S
LP2992AILD-3.3/NOPB	TI	获取价格	LP2992 Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and WSON Packages
LP2992AILD-5.0	NSC	获取价格	Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and LLP Packages Designe
LP2992AILD-5.0	TI	获取价格	LP2992 Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and WSON Packages
LP2992AILD-5.0/NOPB	NSC	获取价格	IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PDSO6, LLP-6, Fixed Positive Sin
LP2992AILD-5.0/NOPB	TI	获取价格	LP2992 Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and WSON Packages
LP2992AILDX-1.5	NSC	获取价格	Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and LLP Packages Designe

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