Datasheet > LP2951J

LP2951J

更新时间： 2024-09-21 21:08:15

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		/
页数	文件大小	规格书
28页	789K
描述
Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.6V Dropout, BIPolar, CDIP8, CERAMIC, DIP-8

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LP2951J 技术参数

生命周期：	Contact Manufacturer	包装说明：	DIP,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.7
最大回动电压 1：	0.6 V	JESD-30 代码：	R-GDIP-T8
功能数量：	1	端子数量：	8
工作温度TJ-Max：	150 °C	工作温度TJ-Min：	-55 °C
最大输出电流 1：	0.1 A	最大输出电压 1：	29 V
最小输出电压 1：	1.24 V	标称输出电压 1：	5 V
封装主体材料：	CERAMIC, GLASS-SEALED	封装代码：	DIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
调节器类型：	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	座面最大高度：	5.08 mm
表面贴装：	NO	技术：	BIPOLAR
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	宽度：	7.62 mm
Base Number Matches：	1

LP2951J 数据手册

July 2000

LP2950/LP2951

Series of Adjustable Micropower Voltage Regulators

(.05% typ.) and a very low output voltage temperature coef-

ficient, making the part useful as a low-power voltage refer-

ence.

General Description

The LP2950 and LP2951 are micropower voltage regulators

with very low quiescent current (75 µA typ.) and very low

dropout voltage (typ. 40 mV at light loads and 380 mV at

100 mA). They are ideally suited for use in battery-powered

systems. Furthermore, the quiescent current of the LP2950/

LP2951 increases only slightly in dropout, prolonging battery

life.

Features

n 5V, 3V, and 3.3V versions available

n High accuracy output voltage

n Guaranteed 100 mA output current

n Extremely low quiescent current

n Low dropout voltage

The LP2950-5.0 is available in the surface-mount D-Pak

package, and in the popular 3-pin TO-92 package for

pin-compatibility with older 5V regulators. The 8-lead

LP2951 is available in plastic, ceramic dual-in-line, or metal

can packages and offers additional system functions.

n Extremely tight load and line regulation

n Very low temperature coefficient

n Use as Regulator or Reference

n Needs minimum capacitance for stability

n Current and Thermal Limiting

n Stable with low-ESR output capacitors

One such feature is an error flag output which warns of a low

output voltage, often due to falling batteries on the input. It

may be used for a power-on reset. A second feature is the

logic-compatible shutdown input which enables the regulator

to be switched on and off. Also, the part may be pin-strapped

for a 5V, 3V, or 3.3V output (depending on the version), or

programmed from 1.24V to 29V with an external pair of re-

sistors.

LP2951 versions only

n Error flag warns of output dropout

n Logic-controlled electronic shutdown

n Output programmable from 1.24 to 29V

Careful design of the LP2950/LP2951 has minimized all con-

tributions to the error budget. This includes a tight initial tol-

erance (.5% typ.), extremely good load and line regulation

Block Diagram and Typical Applications

LP2950

LP2951

DS008546-25

DS008546-1

DS008546

www.national.com

12 3 4 5 6 7...28

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LP2951JAN_15	TI	获取价格	Series of Adjustable Micropower Voltage Regulators
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LP2951L-D08-T	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2951L-S08-R	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2951L-S08-T	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR

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