LM79XX 데이터 시트보기 (PDF) - Fairchild Semiconductor

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LM79XX

3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS

Fairchild Semiconductor 

MC79XX (LM79XX) (KA79XX/A)

FIXED VOLTAGE REGULATOR (NEGATIVE)

3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS

The MC79XX series of three-terminal negative regulators are available in

TO-220 package and with several fixed output voltages, making them useful

in a wide range of applications. Each type employs internal current limiting,

thermal shut-down and safe area protection, making it essentially indestructible.

TO-220

FEATURES

• Output Current in Excess of 1A

• Output Voltages of -5, -6, -8, -12, -15, -18, -24V

• Internal Thermal Overload Protection

• Short Circuit Protection

• Output Transistor Safe-Area Compensation

1: GND 2: Input 3: Output

ORDERING INFORMATION

Device

MC79XXCT (LM79XXCT) (KA79XX)

KA79XXA

Output Voltage

Tolerance

± 4%

± 2%

Package

TO-220

Operating Temperature

0 ~+125°C

BLOCK DIAGRAM

GND

VOLTAGE

REFERENCE

+

-

I1

I2

R1

R2

Out

Q1

PROTECTION

CIRCUITRY

Q2

Rsc

In

©1999 Fairchild Semiconductor Corporation

Rev. C

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