Datasheet > LM340T-12

LM340T-12

更新时间： 2024-09-13 22:51:55

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		稳压器
页数	文件大小	规格书
20页	209K
描述
THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

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LM340T-12 数据手册

Order this document by LM340/D

THREE–TERMINAL

POSITIVE FIXED

VOLTAGE REGULATORS

This family of fixed voltage regulators are monolithic integrated circuits

capable of driving loads in excess of 1.0 A. These three–terminal regulators

employ internal current limiting, thermal shutdown, and safe–area

compensation. Devices are available with improved specifications, including

a 2% output voltage tolerance, on A–suffix 5.0, 12 and 15 V device types.

Although designed primarily as a fixed voltage regulator, these devices

can be used with external components to obtain adjustable voltages and

currents. This series of devices can be used with a series–pass transistor to

boost output current capability at the nominal output voltage.

SEMICONDUCTOR

TECHNICAL DATA

• Output Current in Excess of 1.0 A

• No External Components Required

• Output Voltage Offered in 2% and 4% Tolerance*

• Internal Thermal Overload Protection

• Internal Short Circuit Current Limiting

• Output Transistor Safe–Area Compensation

T SUFFIX

PLASTIC PACKAGE

CASE 221A

Pin 1. Input

2. Ground

3. Output

Heatsink surface is connected to Pin 2.

Simplified Application

LM340–XX

Input

Output

ORDERING INFORMATION

0.33µF

Output Voltage

and Tolerance

Operating

Temperature Range

Device

Package

LM340T–5.0

LM340AT–5.0

LM340T–6.0

LM340T–8.0

LM340T–12

LM340AT–12

LM340T–15

LM340AT–15

LM340T–18

LM340T–24

5.0 V ± 4%

5.0 V ± 2%

6.0 V ± 4%

8.0 V ± 4%

12 V ± 4%

12 V ± 2%

15 V ± 4%

15 V ± 2%

18 V ± 4%

24 V ± 4%

Acommongroundisrequiredbetweentheinputand

the output voltages. The input voltage must remain

typically 1.7 V above the output voltage even during

the low point on the input ripple voltage.

T = 0° to +125°C

Plastic Power

XX these two digits of the type number indicate

voltage.

* C is required if regulator is located an

appreciable distance from power supply filter.

** C is not needed for stability; however, it does

improve transient response. If needed, use a

0.1 µF ceramic disc.

* 2% regulators are available in 5, 12 and 15 V devices.

Motorola, Inc. 1996

Rev 1

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...20

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LM340T-12 替代型号

型号	品牌	替代类型	描述	数据表
LM340T-12/NOPB	TI	功能相似	LM340-N/LM78XX Series 3-Terminal Positive Regulators
LM340T-15	TI	功能相似	LM340/LM78XX Series 3-Terminal Positive Regulators
MC7812CT	FAIRCHILD	功能相似	3-Terminal 1A Positive Voltage Regulator

与LM340T-12相关器件

型号	品牌	获取价格	描述	数据表
LM340T-12/NOPB	TI	获取价格	LM340-N/LM78XX Series 3-Terminal Positive Regulators
LM340T127812	NSC	获取价格	3-Terminal Positive Regulators
LM340T15	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar,
LM340T-15	NSC	获取价格	Series 3-Terminal Positive Regulators
LM340T-15	TI	获取价格	LM340/LM78XX Series 3-Terminal Positive Regulators
LM340T-15	MOTOROLA	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340T-15	ONSEMI	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340T-15.0	TI	获取价格	15V FIXED POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN
LM340T-15/NOPB	TI	获取价格	LM340-N/LM78XX Series 3-Terminal Positive Regulators
LM340T157815	NSC	获取价格	3-Terminal Positive Regulators

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