Datasheet > LP2985ITPX-1.8

LP2985ITPX-1.8

更新时间： 2024-11-22 22:57:35

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
17页	542K
描述
Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications

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LP2985ITPX-1.8 数据手册

May 2004

LP2985LV

Micropower 150 mA Low-Noise Low-Dropout Regulator

in SOT-23 and micro SMD packages for Applications

with Output Voltages ≤ 2.3V

Designed for Use with Very Low ESR Output Capacitors

General Description

Features

n Guaranteed 150 mA output current

n Smallest possible size (micro SMD)

n Requires minimum external components

n Stable with low-ESR output capacitor

The LP2985LV is a 150 mA, fixed-output voltage regulator

designed to providehigh performance and low noise in ap-

plications requiring output voltages 2.3V.

™

Using an optimized VIP (Vertically Integrated PNP) pro-

cess, the LP2985LV delivers unequalled performance in all

specifications critical to battery-powered designs:

1 µA quiescent current when shut down

n Low ground pin current at all loads

n Output voltage accuracy 1% (A Grade)

n High peak current capability

Ground Pin Current: Typically 825 µA 150 mA load, and

75 µA 1 mA load.

Enhanced Stability: The LP2985LV is stable with output

capacitor ESR as low as 5 mΩ, which allows the use of

ceramic capacitors on the output.

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

Sleep Mode: Less than 1 µA quiescent current when ON/

OFF pin is pulled low.

Smallest Possible Size: micro SMD package uses absolute

minimum board space.

Applications

Precision Output: 1% tolerance output voltages available

(A grade).

n Cellular Phone

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).

Block Diagram

10129501

™

VIP is a trademark of National Semiconductor Corporation.

DS101295

www.national.com

12 3 4 5 6 7...17

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与LP2985ITPX-1.8相关器件

型号	品牌	获取价格	描述	数据表
LP2985ITPX-1.8/NOPB	NSC	获取价格	IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PBGA5, MICRO, SMD-5, Fixed Posi
LP2985ITPX-2.6/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-2.7/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-2.8/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-2.9/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-3.0	TI	获取价格	3V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO SMD-5
LP2985ITPX-3.0	NSC	获取价格	IC VREG 3 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PBGA5, MICRO SMD-5, Fixed Posit
LP2985ITPX-3.0/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-3.3/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig
LP2985ITPX-5.0/NOPB	TI	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and DSBGA Packages Desig

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