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MC78MXX_09 Datasheet, PDF (1/14 Pages) Fairchild Semiconductor – 3-Terminal 0.5A Positive Voltage Regulator
MC78MXX/LM78MXX
3-Terminal 0.5A Positive Voltage Regulator
www.fairchildsemi.com
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
©2009 Fairchild Semiconductor Corporation
OUTPUT
3
R1
R2
GND
2
Rev. 1.0.6