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78M05的详细信息
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www.fairchildsemi.com
MC78MXX/LM78MXX
3-Terminal 0.5A Positive Voltage Regulator
Features
Description
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
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.
• Short Circuit Protection
• Output Transistor Safe Operating Area (SOA)Protection
TO-220
GND
1
D-PAK
GND
1
1. Input 2. GND 3. Output
Internal Block Digram
INPUT
1
OUTPUT
3
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
R1
REFERENCE
STARTING
ERROR
AMPLIFIER
VOLTAGE
CIRCUIT
R2
THERMAL
PROTECTION
GND
2
Rev. 1.0.5
©2002 Fairchild Semiconductor Corporation
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