LM78M05(2002) 查看數據表（PDF） - Fairchild Semiconductor

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LM78M05
(Rev.:2002)

3-Terminal 0.5A Positive Voltage Regulator

Fairchild Semiconductor 

www.fairchildsemi.com

MC78MXX/LM78MXX

3-Terminal 0.5A Positive Voltage Regulator

Features

• Output Current up to 0.5A

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

• Thermal Overload Protection

• Short Circuit Protection

• Output Transistor Safe Operating Area (SOA)Protection

Description

The MC78MXX/LM78MXX series of three-terminal

positive regulators are available in the TO-220/D-PAK

package with several fixed output voltages making it useful

in a wide range of applications.

TO-220

GND

1

D-PAK GND

1

1. Input 2. GND 3. Output

Internal Block Digram

INPUT

1

CURRENT

GENERATOR

STARTING

CIRCUIT

REFERENCE

VOLTAGE

SERIES

PASS

ELEMENT

SOA

PROTECTION

ERROR

AMPLIFIER

THERMAL

PROTECTION

©2002 Fairchild Semiconductor Corporation

OUTPUT

3

R1

R2

GND

2

Rev. 1.0.5

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