MC78M12CDTG ON Semiconductor, MC78M12CDTG Datasheet - Page 7

• Manufacturer Part Number: MC78M12CDTG
• Description: IC REG POS 500MA 12V DPAK
• Manufacturer: ON Semiconductor
• Type: Voltage Regulatorr

Specifications of MC78M12CDTG

• 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: 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: 0.7 A
• Line Regulation: 50 mV
• Load Regulation: 240 mV
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Current, Input Bias: 3.2 mA
• Current, Output: 700 mA
• Package Type: DPAK
• Regulation, Line: 8 mV
• Regulation, Load: 25 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 5 °C/W
• Temperature, Operating, Range: 0 to +125 °C
• Voltage, Dropout: 2 VDC
• Voltage, Noise: 75 μV
• Voltage, Output: 12 VDC
• Voltage, Supply: 35 VDC
• Voltage Regulator Type: Linear
• Topology: Standard
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Input Voltage (max): 35V
• Operating Temp Range: 0C to 125C
• Operating Temperature Classification: Commercial
• Dropout Voltage@current (typ): 2@350mA
• Pin Count: 2 +Tab
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MC78M12CDTG; MC78M12CDTGOS

change in the input voltage. The measurement is made under
conditions of low dissipation or by using pulse techniques
such that the average chip temperature is not significantly
affected.
change in load current at constant chip temperature.
device dissipation for which the regulator will operate
within specifications.
Line Regulation − The change in output voltage for a
Load Regulation − The change in output voltage for a
Maximum Power Dissipation − The maximum total
100
90
80
70
60
50
40
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
Figure 2. DPAK Thermal Resistance and Maximum
10
0
Power Dissipation versus P.C.B. Copper Length
25
q
P
JC
D(max)
Figure 3. Worst Case Power Dissipation
Mounted
Vertically
Free Air
versus Ambient Temperature (TO−220)
= 5°C/W
5.0
q
HS
= 7.52 W
Minimum
Size Pad
50
= 20°C/W
T
A
L, LENGTH OF COPPER (mm)
, AMBIENT TEMPERATURE (°C)
http://onsemi.com
10
DEFINITIONS
75
P
R
D(max)
q
7
15
No Heat Sink
qJA
HS
= 10°C/W
is not delivered to the load.
output, with constant load and no input ripple, measured
over a specified frequency range.
accelerated life test conditions with the maximum rated
voltage listed in the devices’ electrical characteristics and
maximum power dissipation.
for T
100
Input Bias Current − That part of the input current that
Output Noise Voltage − The rms AC voltage at the
Long Term Stability − Output voltage stability under
A
= 50°C
20
Î Î Î Î
Î Î Î Î
Î Î Î Î
L
2.0 oz. Copper
125
25
Infinite Heat
Sink
L
30
150
2.4
2.0
1.6
1.2
0.8
0.4
0