Datasheet > LP2950CN-X

LP2950CN-X

更新时间： 2024-11-22 22:07:11

品牌	Logo	应用领域
CALOGIC		稳压器
页数	文件大小	规格书
10页	144K
描述
100mA Low Dropout Voltage Regulators

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数据手册

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LP2950CN-X 数据手册

100mA Low Dropout

Voltage Regulators

CORPORATION

LP2950 / LP2951

FEATURES

PRODUCT DESCRIPTION

5V, 3.3V, and 3.0V Versions at 100mA Output

Very Low Quiescent Current

Low Dropout Voltage

Extremely Tight Load and Line Regulation

Very Low Temperature Coefficient

Current and Thermal Limiting

Needs Only 1µF for Stability

The Calogic LP2950 and LP2951 are low power voltage

regulators. These devices are an excellent choice for use in

battery-powered applications such as cordless telephones,

radio control systems, and portable computers. The LP2950

and LP2951 features very low quiescent current and very low

dropout voltage (Typ. 50mV at light load and 380mV at 100mA).

This includes a tight initial tolerance of 0.5% typ., extremely

good load and line regulation 0.05% typ. and very low output

temperature coefficient, making the LP2950/LP2951 useful

as a low-power voltage reference.

•

LP2951 Versions Only

Error Flag Warns of Output Dropout

Logic-Controlled Electronic Shutdown

Output Programmable from 1.24 to 29V

•

The error flag output feature is used as power-on reset for

warning of a low output voltage, due to falling voltage input of

batteries. Another feature is the logic-compatible shutdown

input which enables the regulator to be switched on and off.

The LP2950 is offered in a 3-pin TO-92 package compatible

with other 5V, 3.0V, 3.3V regulators. The LP2951 is also available

in 8-pin plastic and SO-8.

•

APPLICATIONS

Battery Powered Systems

Cordless Telephones

Radio Control Systems

Portable / Palm Top / Notebook Computers

Portable Consumer Equipment

Portable Instrumentation

Avionics

SMPS Post-Regulator

•

The regulator output voltage may be pin-strapped for 5V, 3V

or 3.3 volts or programmed from 1.24 volt to 29 volts with an

external pair of resistors. Use of AS’s design, processing and

testing techniques make our LP2950 and LP2951 superior

over similar products.

•

Voltage Reference

Automotive Electronics

•

ORDERING INFORMATION

•

PART

PACKAGE

TEMPERATURE RANGE

LP2950ACN-X

LP2950CN-X

LP2951ACP-X

LP2951CP-X

LP2951ACS-X

LP2951CS-X

TO-92 (3-Pin)

Plastic DIP (8-Pin)

Plastic SOIC (8-Pin)

IND.

X = 3.0V, 3.3V or 5.0V

PIN CONNECTIONS

8-PIN SURFACE MOUNT

TO-92

OUTPUT

SENSE

INPUT

1. OUTPUT

2. GROUND

3. INPUT

FEEDBACK

5V OR 3.3V TAP

ERROR

LP2951

SHUTDOWN

GROUND

BOTTOM VIEW

1D-20

TOP VIEW

1D-19

CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

12 3 4 5 6 7...10

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与LP2950CN-X相关器件

型号	品牌	获取价格	描述	数据表
LP2950CP-3	ADMOS	获取价格	100mA LOW DROPOUT VOLTAGE REGULATOR
LP2950CP-33	ADMOS	获取价格	100mA LOW DROPOUT VOLTAGE REGULATOR
LP2950CP5	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar,
LP2950CP-5	ETC	获取价格	Positive Fixed Voltage Regulator
LP2950CS	SIPEX	获取价格	100 mA Low Dropout Voltage Regulators
LP2950CS	FCI	获取价格	LOWDrop Out Voltage Regulators
LP2950CS-3	ADMOS	获取价格	100mA LOW DROPOUT VOLTAGE REGULATOR
LP2950CS-3.0	SIPEX	获取价格	100 mA Low Dropout Voltage Regulators
LP2950CS-3.3	SIPEX	获取价格	100 mA Low Dropout Voltage Regulators
LP2950CS-33	ADMOS	获取价格	100mA LOW DROPOUT VOLTAGE REGULATOR

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