Datasheet > LM340AT-18

LM340AT-18

更新时间： 2024-09-09 21:53:35

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		稳压器
页数	文件大小	规格书
16页	282K
描述
THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

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LM340AT-18 数据手册

Order this document by MC7800/D

These voltage regulators are monolithic integrated circuits designed as

fixed–voltage regulators for a wide variety of applications including local,

on–card regulation. These regulators employ internal current limiting,

thermal shutdown, and safe–area compensation. With adequate heatsinking

they can deliver output currents in excess of 1.0 A. Although designed

primarily as a fixed voltage regulator, these devices can be used with

external components to obtain adjustable voltages and currents.

THREE–TERMINAL

POSITIVE FIXED

VOLTAGE REGULATORS

SEMICONDUCTOR

TECHNICAL DATA

• Output Current in Excess of 1.0 A

• No External Components Required

• Internal Thermal Overload Protection

• Internal Short Circuit Current Limiting

• Output Transistor Safe–Area Compensation

• Output Voltage Offered in 2% and 4% Tolerance

T SUFFIX

PLASTIC PACKAGE

CASE 221A

Heatsink surface

connected to Pin 2.

• Available in Surface Mount D PAK and Standard 3–Lead Transistor

Packages

• Previous Commercial Temperature Range has been Extended to a

Junction Temperature Range of –40°C to +125°C

Pin 1. Input

2. Ground

3. Output

DEVICE TYPE/NOMINAL OUTPUT VOLTAGE

D2T SUFFIX

PLASTIC PACKAGE

CASE 936

MC7805AC

LM340AT–5

MC7805C

MC7812C

12 V

15 V

LM340T–12

MC7815AC

LM340AT–15

MC7815C

5.0 V

6.0 V

(D PAK)

LM340T–5

MC7806AC

MC7806C

Heatsink surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

LM340T–15

MC7818AC

MC7818C

MC7808AC

MC7808C

8.0 V

9.0 V

12 V

18 V

24 V

STANDARD APPLICATION

MC7809C

MC7824AC

MC7824C

MC78XX

Input

Output

MC7812AC

LM340AT–12

0.33 µF

A common ground is required between the

input and the output voltages. The input voltage

must remain typically 2.0 V above the output

voltage even during the low point on the input

ripple voltage.

ORDERING INFORMATION

Output Voltage

Tolerance

Operating

Temperature Range

Device

Package

MC78XXACT

LM340AT–XX

MC78XXACD2T

MC78XXCT

XX,

These two digits of the type number

indicate nominal voltage.

Insertion Mount

Surface Mount

Insertion Mount

Surface Mount

* C is required if regulator is located an

appreciable distance from power supply

filter.

T = –40° to +125°C

** C is not needed for stability; however,

LM340T–XX

MC78XXCD2T

it does improve transient response. Values

of less than 0.1 µF could cause instability.

XX indicates nominal voltage.

Motorola, Inc. 1997

Rev 5

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...16

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与LM340AT-18相关器件

型号	品牌	获取价格	描述	数据表
LM340AT-24	MOTOROLA	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340AT5	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar,
LM340AT-5	MOTOROLA	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340AT5.0	MOTOROLA	获取价格	IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,SIP,3PIN,PLASTIC
LM340AT-5.0	ONSEMI	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340AT-5.0	NSC	获取价格	Series 3-Terminal Positive Regulators
LM340AT-5.0	TI	获取价格	LM340/LM78XX Series 3-Terminal Positive Regulators
LM340AT-5.0	MOTOROLA	获取价格	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LM340AT-5.0/NOPB	TI	获取价格	LM340-N/LM78XX Series 3-Terminal Positive Regulators
LM340AT5.0P+	NSC	获取价格	3-Terminal Positive Regulators

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