L78M12CDT-1 STMicroelectronics, L78M12CDT-1 Datasheet - Page 13

• Manufacturer Part Number: L78M12CDT-1
• Description: IC REG VOLT POS 500MA 12V IPAK
• Manufacturer: STMicroelectronics

Specifications of L78M12CDT-1

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 35V
• Voltage - Dropout (typical): 2V @ 350mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: IPak, TO-251, DPak, VPak (3 straight leads + tab)
• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 12 V
• Output Current: 0.5 A
• Line Regulation: 100 mV
• Load Regulation: 240 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-4228-5

L78MxxC
Figure 18. Constant current regulator
Figure 19. Circuit for increasing output voltage
Figure 20. Adjustable output regulator (7 to 30 V)
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 2146 Rev 15
Typical performance
13/30