MC78M12CDTX Fairchild Semiconductor, MC78M12CDTX Datasheet - Page 9

• Manufacturer Part Number: MC78M12CDTX
• Description: IC REGULATOR 12V 0.5A DPAK
• Manufacturer: Fairchild Semiconductor

Specifications of MC78M12CDTX

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 35V
• Voltage - Dropout (typical): 2V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
• 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: + 125 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Applications
Notes:
1. To specify an output voltage, substitute voltage value for "XX"
2. Although no output capacitor is needed for stability, it does improve transient response.
3. C
I
is required if regulator is located an appreciable distance from power Supply filter
V
I
V
I
V
C
I
I
Figure 3. Circuit for Increasing Output Voltage
0.3 F
C
Figure 2. Constant Current Regulator
C
I
1
Figure 1. Fixed Output Regulator
I
I
O
0.33 F
0.33 F
= R
I
V
MC78MXX
LM78MXX
R1
Vxx
1
O
1
1
= V
+I
5I
O
2
MC78MXX
LM78MXX
XX
O
I
O
MC78MXX
LM78MXX
I
O
(1+R
2
2
2
C
/R
3
O
1
) +I
0.1 F
O
C
3
0.1 F
0.1 F
O
R
C
3
2
O
V
XX
V
O
R
R
VXX
1
2
R
I
1
O
V
O
MC78MXX/LM78MXX
9