L7818CV STMicroelectronics, L7818CV Datasheet - Page 37

• Manufacturer Part Number: L7818CV
• Description: IC REGULATOR POS 18V TO-220
• Manufacturer: STMicroelectronics
• Type: Voltage Regulatorr

Specifications of L7818CV

• Regulator Topology: Positive Fixed
• Voltage - Output: 18V
• Voltage - Input: Up to 35V
• Voltage - Dropout (typical): 2V @ 1A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Operating Temperature: 0°C ~ 125°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: 1.5 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Current, Output: 1.5 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, Dropout: 2 V
• Voltage, Input: 26 V
• Voltage, Noise: 110 μV/V
• Voltage, Output: 18 V
• Voltage, Supply, Rejection Ratio: 53 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1456-5

L78xx, L78xxC, L78xxAB, L78xxAC
7
Figure 29. Dropout voltage vs. junction
Figure 31. Supply voltage rejection vs.
Figure 33. Output impedance vs. frequency
Typical performance
temperature
frequency
Doc ID 2143 Rev 23
Figure 30. Peak output current vs.
Figure 32. Output voltage vs. junction
Figure 34. Quiescent current vs. junction
input/output differential voltage
temperature
temp.
Typical performance
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