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MC7812CT Datasheet(PDF) 19 Page - ON Semiconductor

Part No. MC7812CT
Description  1.0 A Positive Voltage Regulators
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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 19 page
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MC7800, MC7800A, NCV7805
http://onsemi.com
19
Figure 2. Peak Output Current as a Function of
Input/Output Differential Voltage (MC78XXC, AC, B)
Figure 3. Ripple Rejection as a Function of
Output Voltages (MC78XXC, AC, B)
Figure 4. Ripple Rejection as a Function of
Frequency (MC78XXC, AC, B)
Figure 5. Output Voltage as a Function of
Junction Temperature (MC7805C, AC, B)
Figure 6. Output Impedance as a Function of
Output Voltage (MC78XXC, AC, B)
Figure 7. Quiescent Current as a Function of
Temperature (MC78XXC, AC, B)
Vin−Vout, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
3.0
2.0
1.5
1.0
0
4.0
8.0
12
20
30
40
80
70
60
50
40
4.0
6.0
8.0
10
12
14
16
18
20
22
24
VO, OUTPUT VOLTAGE (V)
PART #
Vin
MC7805C= 10 V
MC7806C= 11 V
MC7808C= 14 V
MC7812C= 19 V
MC7815C= 23 V
MC7818C= 27 V
MC7824C= 33 V
80
50
0.1
10
f, FREQUENCY (kHz)
0.01
5.0
4.9
−60
−20
20
60
100
140
180
TJ, JUNCTION TEMPERATURE (°C)
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
4.0
8.0
12
16
20
24
VO, OUTPUT VOLTAGE (V)
6.0
4.0
3.0
2.0
1.0
0
−75
−50
TJ, JUNCTION TEMPERATURE (°C)
−25
0
25
50
75
100
125
2.5
0.5
70
40
30
60
4.8
6.0
10
15
25
35
TJ = 85°C
TJ = 25°C
1.0
f = 120 Hz
IO = 20 mA
DVin = 1.0 V(RMS)
TJ = 125°C
TJ = 0°C
f = 120 Hz
IO = 500 mA
CL = 0 mF
Vin = 10 V
VO = 5.0 V
IL = 20 mA
Vin = 20 V
IO = 5.0 mA
MC78XXB, C, AC
Vin = 8.0 V to 18 V
IO = 500 mA
f = 120 Hz
TA = 25°C
TJ = −40°C




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