Datasheet > LP2950-LP2951

LP2950-LP2951

更新时间： 2024-11-23 11:46:35

品牌	Logo	应用领域
南京豪纳 - HN		/
页数	文件大小	规格书
11页	188K
描述
0.1A 低压差电压稳压电路。精度高超低静态功耗（75µA）。 LP2951具有输出电压信号反馈，带输出电压的使能脚(SOP8封装）

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LP2950-LP2951 数据手册

LP2950-xx/LP2951-xx

Feb. 2009

LP2950-xx/LP2951-xx

100mA Low Dropout Voltage Regulators

Product Description

The LP2950-xx and LP2951-xx 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). This includes a tight initial tolerance of 0.5% typ., extremely good load and

line regulation of 0.05% typ., and very low output temperature coefficient, making the LP2950-xx/LP2951-xx useful as a low-power

voltage reference. They are ideally suited for use in battery-powered systems. Furthermore, the quiescent current of the

LP2950-xx/LP2951-xx increases only slightly in dropout, prolonging battery life.

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 –xx volt output (depending on the version), or programmed from 1.24V to 29V with an external pair of

resistors.

The LP2950-xx is available in the popular 3-pin TO-92 package compatible with other fixed regulator. The 8-pin LP2951-xx is available in

plastic packages.

Applications

Features

ꢀ Battery powered systems

ꢀ Cordless telephones

ꢀ Radio control systems

ꢀ Portable/Palm top/Notebook computers

ꢀ Portable consumer equipment

ꢀ Portable instrumentation

ꢀ Avionics

ꢀ High accuracy output voltage

ꢀ Guaranteed 100 mA output current

ꢀ Extremely low quiescent current

ꢀ Low dropout voltage

ꢀ Extremely tight load and line regulation

ꢀ Very low temperature coefficient

ꢀ Use as Regulator or Reference

ꢀ Needs only 1 F capacitance for stability

LP2951-xx versions only

ꢀ Error Flag warns of output dropout

ꢀ Logic-Controlled electronic shutdown

ꢀ Output programmable from 1.24 to 29V

ꢀ Automotive electronics

ꢀ SMPS Post-Regulator

ꢀ Voltage reference

Block Diagram and Typical Applications

LP2950 - xx

LP2951 - xx

ഄഔ: फҀᏖ⦴∳䏃 88 োˈᮄϪ⬠Ёᖗ B ᑻ 4004 ᅸ, 䚂㓪:210008

⬉䆱(TEL.): (86)-25-68853600 Ӵⳳ(FAX): (86)-25-68853600-810

ADD.: RM. 4004, BLOCK B, NEW WORLD CENTRE,

NANJING 210008, CHINA

WEB-SITE: WWW.HN-ELEC.COM

^{NO. 88 ZHUJIANG RO}1^AD,

12 3 4 5 6 7...11

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与LP2950-LP2951相关器件

型号	品牌	获取价格	描述	数据表
LP2950L-XX-D08-T	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-S08-R	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-S08-T	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-T92-B	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-T92-K	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-TN3-R	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950L-XX-TN3-T	UTC	获取价格	100 mA LOW-DROPOUT VOLTAGE REGULATOR
LP2950-N	TI	获取价格	5V, 3V, and 3.3V Versions Available, High Accuracy Output Voltage
LP2950-N_15	TI	获取价格	LP295x-N Series of Adjustable Micropower Voltage Regulators
LP2950-SP6645	ETC	获取价格	Power Management 1 \| Short Form Catalog

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