MC7818AECT Просмотр технического описания (PDF) - Fairchild Semiconductor

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MC7818AECT

3-Terminal 1A Positive Voltage Regulator

Fairchild Semiconductor 

www.fairchildsemi.com

MC78XXE/LM78XXE/MC78XXAE

3-Terminal 1A Positive Voltage Regulator

Features

• Output Current up to 1A

• Output Voltages of 5, 6, 8, 9, 12, 15, 18, 24V

• Thermal Overload Protection

• Short Circuit Protection

• Output Transistor Safe Operating Area Protection

Description

The MC78XXE/LM78XXE/MC78XXAE series of three

terminal positive regulators are available in the

TO-220/D-PAK 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 operating area protection,

making it essentially indestructible. If adequate heat sinking

is provided, they can deliver over 1A output current.

Although designed primarily as fixed voltage regulators,

these devices can be used with external components to

obtain adjustable voltages and currents.

TO-220

GND

Internal Block Digram

1

D-PAK

GND

1

1. Input 2. GND 3. Output

INPUT

1

CURRENT

GENERATOR

STARTING

CIRCUIT

REFERENCE

VOLTAGE

SERIES

PASS

ELEMENT

SOA

PROTECTION

ERROR

AMPLIFIER

OUTPUT

3

©2003 Fairchild Semiconductor Corporation

THERMAL

PROTECTION

GND

2

Rev. 1.0.0

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