L78S18CT STMicroelectronics, L78S18CT Datasheet - Page 7

• Manufacturer Part Number: L78S18CT
• Description: Linear Regulators - Standard 18V 2.0A Positive
• Manufacturer: STMicroelectronics

Specifications of L78S18CT

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 2 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-3
• Mounting Style: Through Hole
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L78Sxx, L78SxxC
3
Table 2.
Note:
Table 3.
Figure 4.
Symbol
Symbol
T
T
R
R
P
STG
V
I
OP
O
D
thJC
thJA
I
DC input voltage
Output current
Power dissipation
Storage temperature range
Operating junction temperature range
Maximum ratings
Absolute maximum ratings
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Thermal data
Application circuits
Thermal resistance junction-case
Thermal resistance junction-ambient
Parameter
Parameter
Doc ID 2148 Rev 4
for V
for V
for L78Sxx
for L78SxxC
O
O
= 5 to 18V
= 24V
TO-220
50
5
Internally limited
Internally limited
-65 to 150
-55 to 150
0 to 150
Value
35
40
TO-3
35
4
Maximum ratings
°C/W
°C/W
Unit
Unit
°C
°C
V
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