Datasheet > LM7512C

LM7512C

更新时间： 2024-11-23 23:47:15

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LM7512C 数据手册

May 2000

LM78XX

Series Voltage Regulators

put, although this does improve transient response. Input by-

passing is needed only if the regulator is located far from the

filter capacitor of the power supply.

General Description

The LM78XX series of three terminal regulators is available

with several fixed output voltages making them useful in a

wide range of applications. One of these is local on card

regulation, eliminating the distribution problems associated

with single point regulation. The voltages available allow

these regulators to be used in logic systems, instrumenta-

tion, HiFi, and other solid state electronic equipment. Al-

though designed primarily as fixed voltage regulators these

devices can be used with external components to obtain ad-

justable voltages and currents.

For output voltage other than 5V, 12V and 15V the LM117

series provides an output voltage range from 1.2V to 57V.

Features

n Output current in excess of 1A

n Internal thermal overload protection

n No external components required

n Output transistor safe area protection

n Internal short circuit current limit

n Available in the aluminum TO-3 package

The LM78XX series is available in an aluminum TO-3 pack-

age which will allow over 1.0A load current if adequate heat

sinking is provided. 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 dissi-

pation. If internal power dissipation becomes too high for the

heat sinking provided, the thermal shutdown circuit takes

over preventing the IC from overheating.

Voltage Range

LM7805C

LM7812C

LM7815C

12V

15V

Considerable effort was expanded to make the LM78XX se-

ries of regulators easy to use and minimize the number of

external components. It is not necessary to bypass the out-

Connection Diagrams

Metal Can Package

TO-3 (K)

Plastic Package

TO-220 (T)

Aluminum

DS007746-3

DS007746-2

Top View

Bottom View

Order Number LM7805CT,

LM7812CT or LM7815CT

See NS Package Number T03B

Order Number LM7805CK,

LM7812CK or LM7815CK

See NS Package Number KC02A

DS007746

www.national.com

12 3 4 5 6 7 8

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