Datasheet > LM140LAH-5.0

LM140LAH-5.0

更新时间： 2024-10-01 22:33:07

品牌	Logo	应用领域
美国国家半导体 - NSC		三端稳压器
页数	文件大小	规格书
6页	146K
描述
3-Terminal Positive Regulators

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LM140LAH-5.0 数据手册

February 1995

LM140L/LM340L Series 3-Terminal Positive Regulators

General Description

The LM140L series of three terminal positive regulators is

available with several fixed output voltages making them

useful in a wide range of applications. The LM140LA is an

improved version of the LM78LXX series with a tighter out-

put voltage tolerance (specified over the full military temper-

ature range), higher ripple rejection, better regulation and

lower quiescent current. The LM140LA regulators have

becomes too high for the heat sinking provided, the thermal

shut-down circuit takes over, preventing the IC from over-

heating.

For applications requiring other voltages, see LM117L Data

Sheet.

Features

specification, 0.04%/V line regulation, and

OUT

Line regulation of 0.04%/V

0.01%/mA load regulation. When used as a zener diode/re-

sistor combination replacement, the LM140LA usually re-

sults in an effective output impedance improvement of two

orders of magnitude, and lower quiescent current. These

regulators can provide local on card regulation, eliminating

the distribution problems associated with single point regu-

lation. The voltages available allow the LM140LA to be used

in logic systems, instrumentation, Hi-Fi, and other solid state

electronic equipment. Although designed primarily as fixed

voltage regulators, these devices can be used with external

components to obtain adjustable voltages and currents.

Load regulation of 0.01%/mA

Output voltage tolerances of 2% at T

25 C and

4% over the temperature range (LM140LA)

3% over the temperature range (LM340LA)

Output current of 100 mA

Internal thermal overload protection

Output transistor safe area protection

Internal short circuit current limit

Available in metal TO-39 low profile package

(LM140LA/LM340LA) and plastic TO-92 (LM340LA)

The LM140LA/LM340LA are available in the low profile

metal three lead TO-39 (H) and the LM340LA are also avail-

able in the plastic TO-92 (Z). With adequate heat sinking the

regulator can deliver 100 mA output current. Current limiting

is included to limit the peak output current to a safe value.

Safe area protection for the output transistor is provided to

limit internal power dissipation. If internal power dissipation

Output Voltage Options

LM140LA-5.0

LM140LA-12

LM140LA-15

12V

15V

LM340LA-5.0

LM340LA-12

LM340LA-15

12V

15V

Connection Diagrams

TO-39 Metal Can Package (H)

TL/H/7782–2

Bottom View

Order Number LM140LAH-5.0, LM140LAH-5.0/883, LM140LAH-12,

LM140LAH-12/883, LM140LAH-15, LM140LAH-15/883, LM340LAH-5.0, LM340LAH-12 or LM340LAH-15

See NS Package Number H03A

TO-92 Plastic Package (Z)

TL/H/7782–3

Bottom View

Order Number LM340LAZ-5.0, LM340LAZ-12 or LM340LAZ-15

See NS Package Number Z03A

1995 National Semiconductor Corporation

TL/H/7782

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6

中文翻译

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LM140LAH-5.0 替代型号

型号	品牌	替代类型	描述	数据表
LM78M05CH	TI	功能相似	3-Terminal Positive Voltage Regulators
LM140LAH-5.0	TI	功能相似	LM140L/LM340L Series 3-Terminal Positive Regulators

与LM140LAH-5.0相关器件

型号	品牌	获取价格	描述	数据表
LM140LAH5.0/883	TI	获取价格	LM140LQML Series 3-Terminal Positive Regulators
LM140LAH-5.0/883	TI	获取价格	LM140LQML Series 3-Terminal Positive Regulators
LM140LAH-5.0/883	NSC	获取价格	3-Terminal Positive Regulators
LM140LAH-5.0/883B	TI	获取价格	5V FIXED POSITIVE REGULATOR, MBCY3, TO-39, 3 PIN
LM140LAH5.0/883C	TI	获取价格	IC,VOLT REGULATOR,FIXED,+5V,BIPOLAR,CAN,3PIN,METAL
LM140LAH-5.0/883C	ETC	获取价格	Positive Fixed Voltage Regulator
LM140LAH-5.0/NOPB	NSC	获取价格	IC VREG 5 V FIXED POSITIVE REGULATOR, MBCY3, ROHS COMPLIANT, METAL CAN, TO-39, 3 PIN, Fixe
LM140LAH-5.0/NOPB	TI	获取价格	LM140LQML Series 3-Terminal Positive Regulators
LM140LAH6.0	TI	获取价格	IC,VOLT REGULATOR,FIXED,+6V,BIPOLAR,CAN,3PIN,METAL
LM140LAH-6.0	ETC	获取价格	Positive Fixed Voltage Regulator

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