Datasheet > LLD2981CU33TR

LLD2981CU33TR

更新时间： 2024-11-24 14:52:23

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		输出元件调节器
页数	文件大小	规格书
27页	468K
描述
FIXED POSITIVE LDO REGULATOR

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技术参数
数据手册

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LLD2981CU33TR 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.71	Is Samacsys：	N
调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	Base Number Matches：	1

LLD2981CU33TR 数据手册

LD2981

Ultra low-drop voltage regulators with inhibit

Datasheet

production data

Description

The LD2981 is a 100 mA fixed-output voltage

regulator. The low-drop voltage and the ultra low

quiescent current make them suitable for low

noise, low power applications and in battery

powered systems.

The quiescent current in sleep mode is less than

1 μA when INHIBIT pin is pulled low. Shutdown

logic control function is available on pin n° 3 (TTL

compatible). This means that when the device is

used as local regulator, it is possible to put a part

of the board in standby, decreasing the total

power consumption. The LD2981 is designed to

work with low ESR ceramic capacitor. Typical

applications are in cellular phone, palmtop/laptop

computer, personal digital assistant (PDA),

personal stereo, camcorder and camera.

SOT23-5L

SOT-89

Features

• Ultra low dropout voltage (0.17 V typ. at 100

mA load, 7 mV typ. at 1 mA load)

• Very low quiescent current (80 μA typ. at no

load in on mode; max 1 μA in off mode)

• Guaranteed output current up to 100mA

• Logic-controlled electronic shutdown

• Output voltage of 2.5; 3.0; 3.3; 5.0 V

• Internal current and thermal limit

• ± 0.75% tolerance output voltage available (A

version)

• Output low noise voltage 160 μV_RMS

• Temperature range: -40 to 125 °C

• Small package SOT23-5L and SOT-89

• Fast dynamic response to line and load

changes

November 2013

DocID6279 Rev 15

1/27

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...27

中文翻译

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