L7818ABV STMicroelectronics, L7818ABV Datasheet - Page 30

• Manufacturer Part Number: L7818ABV
• Description: IC REGULATOR PREC 1.5A 18V TO220
• Manufacturer: STMicroelectronics

Specifications of L7818ABV

• 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: -40°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 A
• Line Regulation: 180 mV
• Load Regulation: 100 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: Through Hole
• Voltage Regulation Accuracy: 2 %
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1455-5

Application information
Figure 12. 0.5 to 10 V regulator
Figure 13. High current voltage regulator
Figure 14. High output current with short circuit protection
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V
R
O
I
O
=V
1
R
= I
= ______________
SC
XX
REG
=V
R
I
REQ
4
/R
BEQ2
+ Q
V
-(I
1
BEQ1
Q1
1
/I
(I
SC
/b
REG
Q1
)
______)
V
BEQ1
R
1
Doc ID 2143 Rev 23
L78xx, L78xxC, L78xxAB, L78xxAC