LM7815CK National Semiconductor, LM7815CK Datasheet

LM7815CK

Manufacturer Part Number

LM7815CK

Description

TO-3

Manufacturer

National Semiconductor

Datasheets

1.LM7815CK.pdf (8 pages)

2.LM7815CK.pdf (8 pages)

Specifications of LM7815CK

Date_code

05+

Current page: 1 of 8
Download datasheet (148Kb)

LM78XX

Series Voltage Regulators

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.

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.

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

See NS Package Number KC02A

Order Number LM7805CK,

LM7812CK or LM7815CK

Metal Can Package

Bottom View

Aluminum

TO-3 (K)

DS007746-2

DS007746

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.

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

Voltage Range

LM7805C

LM7812C

LM7815C

See NS Package Number T03B

Order Number LM7805CT,

LM7812CT or LM7815CT

12V

15V

Plastic Package

TO-220 (T)

Top View

DS007746-3

www.national.com

May 2000

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