L78S18CV STMicroelectronics, L78S18CV Datasheet - Page 27

• Manufacturer Part Number: L78S18CV
• Description: IC REG POS VOLT 2A 18V TO-220
• Manufacturer: STMicroelectronics
• Type: Voltage Regulatorr

Specifications of L78S18CV

• Regulator Topology: Positive Fixed
• Voltage - Output: 18V
• Voltage - Input: Up to 35V
• Number Of Regulators: 1
• Current - Output: 2A
• Operating Temperature: 0°C ~ 150°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 0.5 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Dropout Voltage (max): 21 V
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Current, Output: 2 A
• Current, Supply: 8 mA
• Package Type: TO-220
• Regulation, Line: 360 mV
• Regulation, Load: 360 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 5 °C/W
• Temperature, Operating, Range: 0 to +150 °C
• Voltage, Input: 21 V
• Voltage, Noise: 110 μV
• Voltage, Output: 18 V
• Voltage, Supply, Rejection Ratio: 43 dB
• Primary Input Voltage: 26V
• Output Voltage Fixed: 18V
• Dropout Voltage Vdo: 3V
• No. Of Pins: 3
• Voltage Regulator Case Style: TO-220
• Operating Temperature Range: 0°C To +150°C
• Svhc: No
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6009-5

L78Sxx, L78SxxC
Typical performance
Figure 26. Negative output voltage circuit
Figure 27. Switching regulator
Figure 28. High input voltage circuit
V
= V
- (V
+ V
)
IN
I
Z
BE
Doc ID 2148 Rev 4
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