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LM123 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. LM123
Description  THREE-TERMINAL 3A-5V POSITIVE VOLTAGE REGULATORS
Download  9 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LM123 Datasheet(HTML) 2 Page - STMicroelectronics

   
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SCHEMATIC DIAGRAM
Case
VI
VO
GND
TO-3
1
2
Case
TO-220
1
2
3
ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Value
Unit
VI
Input Voltage
20
V
IO
Output Current
Internally Limited
Ptot
Power Dissipation
Internally Limited
Toper
Operating Junction Temperature Range
LM123
-55 to 150
oC
LM223
-25 to 150
LM323
0 to 125
Tstg
Storage Temperature Range
-65 to 150
oC
THERMAL CHARACTERISTICS
Symbol
Parameter
Typ.
Max.
Unit
Rthj-case Junction-case Thermal Resistance
TO-3
2
oC/W
TO-220
3
Rthj-amb Junction-ambient Thermal Resistance
TO-3
35
oC/W
TO-220
50
LM123-LM223-LM323
2/9


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