Datasheet > LP2985AIBPX-2.4

LP2985AIBPX-2.4

更新时间： 2024-11-13 23:47:43

品牌	Logo	应用领域
其他 - ETC		稳压器调节器输出元件
页数	文件大小	规格书
18页	532K
描述
Positive Fixed Voltage Regulator

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LP2985AIBPX-2.4 数据手册

August 2000

LP2985

Micropower 150 mA Low-Noise Ultra Low-Dropout

Regulator in SOT-23 and micro SMD Packages

Designed for Use with Very Low ESR Output Capacitors

General Description

The LP2985 is a 150 mA, fixed-output voltage regulator de-

signed to provide ultra low-dropout and low noise in battery

powered applications.

Features

n Ultra low dropout voltage

n Guaranteed 150 mA output current

n Smallest possible size (SOT-23, micro SMD package)

n Requires minimum external components

n Stable with low-ESR output capacitor

™

Using an optimized VIP (Vertically Integrated PNP) pro-

cess, the LP2985 delivers unequalled performance in all

specifications critical to battery-powered designs:

1 µA quiescent current when shut down

Dropout Voltage: Typically 300 mV

150 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

7 mV 1 mA load.

Ground Pin Current: Typically 850 µA 150 mA load, and

75 µA 1 mA load.

Enhanced Stability: The LP2985 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 micro SMD 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 2.5V to 5.0V, are available as

standard products. Consult factory for custom voltages.

Block Diagram

DS100140-1

™

VIP is a trademark of National Semiconductor Corporation.

DS100140

www.national.com

12 3 4 5 6 7...18

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与LP2985AIBPX-2.4相关器件

型号	品牌	获取价格	描述	数据表
LP2985AIBPX-2.4/NOPB	TI	获取价格	2.4 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PBGA5
LP2985AIBPX-2.5	NSC	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR
LP2985AIBPX-2.5/NOPB	TI	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO, SMD-5
LP2985AIBPX-2.6	ETC	获取价格	VOLT REGULATOR\|FIXED\|+2.6V\|BIPOLAR\|BGA\|5PIN\|PLASTIC
LP2985AIBPX-2.8	NSC	获取价格	Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR
LP2985AIBPX-2.8/NOPB	TI	获取价格	2.8V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO, SMD-5
LP2985AIBPX-2.9	ROCHESTER	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO, SMD-5
LP2985AIBPX-2.9/NOPB	TI	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO, SMD-5
LP2985AIBPX-3.0	ETC	获取价格	VOLT REGULATOR\|FIXED\|+3V\|BIPOLAR\|BGA\|5PIN\|PLASTIC
LP2985AIBPX-3.0/NOPB	TI	获取价格	3V FIXED POSITIVE LDO REGULATOR, 0.575V DROPOUT, PBGA5, MICRO, SMD-5

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