Datasheet > LP2986

LP2986

更新时间： 2024-11-23 05:42:31

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
14页	415K
描述
Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator

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LP2986 数据手册

March 1999

LP2986

Micropower, 200 mA Ultra Low-Dropout Fixed or

Adjustable Voltage Regulator

General Description

The LP2986 is a 200 mA precision LDO voltage regulator

which offers the designer a higher performance version of

the industry standard LP2951.

Features

n Ultra low dropout voltage

n Guaranteed 200 mA output current

n SO-8 and mini-SO8 surface mount packages

™

Using an optimized VIP (Vertically Integrated PNP) pro-

1 µA quiescent current when shutdown

cess, the LP2986 delivers superior performance:

n Low ground pin current at all loads

Dropout Voltage: Typically 180 mV 200 mA load, and 1

n 0.5 output voltage accuracy (“A” grade)

n High peak current capability (400 mA typical)

n Wide supply voltage range (16V max)

n Overtemperature/overcurrent protection

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

mV 1 mA load.

Ground Pin Current: Typically 1 mA 200 mA load, and

200 µA 10 mA load.

Sleep Mode: The LP2986 draws less than 1 µA quiescent

current when shutdown pin is pulled low.

Error Flag: The built-in error flag goes low when the output

drops approximately 5% below nominal.

Applications

n Cellular Phone

Precision Output: The standard product versions available

can be pin-strapped (using the internal resistive divider) to

provide output voltages of 5.0V, 3.3V, or 3.0V with guaran-

teed accuracy of 0.5% (“A” grade) and 1% (standard grade)

at room temperature.

n Palmtop/Laptop Computer

n Camcorder, Personal Stereo, Camera

Block Diagram

DS012935-1

™

VIP is a trademark of National Semiconductor Corporation.

DS012935

www.national.com

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LP2986AILDX-3.0	ETC	获取价格	Fixed & Adjustable Voltage Regulator
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LP2986AILDX-3.3	TI	获取价格	Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator
LP2986AILDX-3.3/NOPB	TI	获取价格	200-mA, 16-V, low-dropout voltage regulator with adjustable or fixed voltage configuration