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LM7805CT Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. LM7805CT
Description  3-Terminal 1A Positive Voltage Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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www.fairchildsemi.com
LM78XX/LM78XXA Rev. 1.0
Block Diagram
Figure 1.
Pin Assignment
Figure 2.
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which damage to the device may occur. The datasheet
speciļ¬cations should be met, without exception, to ensure that the system design is reliable over its power supply,
temperature, and output/input loading variables. Fairchild does not recommend operation outside datasheet
speciļ¬cations.
Symbol
Parameter
Value
Unit
VI
Input Voltage
VO = 5V to 18V
35
V
VO = 24V
40
V
RĪøJC
Thermal Resistance Junction-Cases (TO-220)
5
Ā°C/W
RĪøJA
Thermal Resistance Junction-Air (TO-220)
65
Ā°C/W
TOPR
Operating Temperature
Range
LM78xx
-40 to +125
Ā°C
LM78xxA
0 to +125
TSTG
Storage Temperature Range
-65 to +150
Ā°C
Starting
Circuit
Input
1
Reference
Voltage
Current
Generator
SOA
Protection
Thermal
Protection
Series Pass
Element
Error
Amplifier
Output
3
GND
2
1
1. Input
2. GND
3. Output
GND
TO-220




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