L78S18CT STMicroelectronics, L78S18CT Datasheet - Page 24

• 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 18. Constant current regulator
Figure 19. Circuit for increasing output voltage
Figure 20. Adjustable output regulator (7 to 30 V)
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I
V
R1
O
≥ 5 I
= V
I
XX
O
d
= V
(1+R
XX
2
/R
/R
1
1
+I
)+I
d
d
R
2
Doc ID 2148 Rev 4
L78Sxx, L78SxxC