L78S18CT STMicroelectronics, L78S18CT Datasheet - Page 30

• 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

Typical performance
Figure 35. Adjustable output voltage with temperature compensation
Note:
Figure 36. Light controllers (V
30/39
V
O
= V
V
O
XX
Q
temperature. C allows a slow rise time of the V
falls when the light goes up
2
(1+R
is connected as a diode in order to compensate the variation of the Q
2
/R
1
) + V
BE
Omin
= V
XX
Doc ID 2148 Rev 4
+ V
BE
)
O
.
V
O
rises when the light goes up
1
L78Sxx, L78SxxC
V
BE
with the