Datasheet > LM2940N

LM2940N

更新时间： 2024-11-01 22:55:47

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
5页	198K
描述
1.25A High Current Low Dropout

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LM2940N 数据手册

Bay Linear

Inspire the Linear Power

1.25A High Current Low Dropout

LM2940/2941

Voltage Regulator Adjustable

Description

The Bay Linear LM2940 & LM2941 is a 1.25A high accuracy, low

dropout voltage regulator with only 40mV at light loads and

350mV(Typ.)@ 1.0A) and low quiescent current of 240µA typical.

Features

•

High output accuracy of 1%

Output Adjustable from 1.24V to 26V

Output Current of 1.25A

Low Dropout Voltage

Low quiescent current

The LM2940/41 is designed for low voltage a application that

requires lower dropout voltage and faster transient response. This

device is an excellent choice for use in powering low voltage

applications where require a lower dropout, faster transient response

to regulate from +2.5V to 3.8V supplies and as a post regulator for

switching supplies applications.

Extremely Tight Load & Line Regulation

Reverse-battery and “Load Dump” Protection

Zero Current Shutdown Mode (5-pin version)

Offer in TO-263, TO-220, SOT-223, & New Slim

LPDD

•

Similar to industry Standard MIC2940LM2941

The LM2940/41 offers full protection against over-current faults,

reversed input polarity, reversed load insertion, and positive and

negative transient voltage. On-Chip trimming adjusts the reference

voltage to 1%. The LM2940-xx devices are in 3 pin fixed voltage

regulators. The LM2941 include an Enable pin in the 5 pin

Applications

•

Powering VGA & Sound Card

LCD Monitor

packages.

Battery Powered Equipments/Laptop & Notebook

SMPS Post Regulator / DC to DC Modules

High Efficiency Linear Power Supply

Adjustable Power Supply

The LM2940/41 are offered in a 3 & 5-pin SOT-223, TO-220 &

TO-263 package compatible with other 3 terminal regulators. The

LM2940/41 is also offer in a new LPDD (Low Profile TO-263)

package from 4.47 mm (DD) tickness down to only 1.27 mm

(LPDD) t

t l

ti k

Bar Code Scanners

Pin Connection

Ordering Information

Devices

Package

TO-220-3

TO-220-5

TO-263-3

TO-263-5

SOT-223-3

SOT-223-5

LPDD-3

Temp.

LM2940T

-40 °C to 125 °C

LM2941T

LM2940S

LM2941S

LM2940N

LM2941N

LM2940J

LM2941J

LPDD-5

TO-220-5 Package

TO-220-3 Package

TO-263-3 Package

TO-263-5 Package

ADJUST

2) ON/OFF

BAY

B2941

B2940

BAY

B2940

GND

4) INPUT

B2941

2 3 4 5

OUPUT

2 3 4 5

GND

OUT

GND

Top View

Front View

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556

www.baylinear.com

12 3 4 5

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与LM2940N相关器件

型号	品牌	获取价格	描述	数据表
LM2940-N	TI	获取价格	LM2940/LM2940C 1A Low Dropout Regulator
LM2940QML	TI	获取价格	LM2940QML 1A Low Dropout Regulator
LM2940QML-SP	TI	获取价格	耐辐射 QMLV、6V 至 26V、1A、5V 输出线性稳压器
LM2940S	NSC	获取价格	1A Low Dropout Regulator
LM2940S-10	NSC	获取价格	1A Low Dropout Regulator
LM2940S-10	TI	获取价格	LM2940-N/LM2940C 1A Low Dropout Regulator
LM2940S-10/NOPB	TI	获取价格	LM2940-N/LM2940C 1A Low Dropout Regulator
LM2940S-12	TI	获取价格	LM2940-N/LM2940C 1A Low Dropout Regulator
LM2940S-12	NSC	获取价格	1A Low Dropout Regulator
LM2940S-12/NOPB	TI	获取价格	LM2940-N/LM2940C 1A Low Dropout Regulator

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