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KA7805E(2003) View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
KA7805E
(Rev.:2003)
Fairchild
Fairchild Semiconductor Fairchild
KA7805E Datasheet PDF : 26 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.fairchildsemi.com
KA78XXE/KA78XXAE
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
Internal Block Diagram
INPUT
1
CURRENT
GENERATOR
STARTING
CIRCUIT
REFERENCE
VOLTAGE
Description
The KA78XXE/KA78XXAE series of three-terminal posi-
tive regulator 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
1
D-PAK
GND
1
1. Input 2. GND 3. Output
SERIES
PASS
ELEMENT
SOA
PROTECTION
ERROR
AMPLIFIER
OUTPUT
3
THERMAL
PROTECTION
GND
2
©2003 Fairchild Semiconductor Corporation
Rev. 1.0.0
 

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