MC78xxCT Series
Vishay Semiconductor
Electrical Characteristics – MC7812
Vin = 19V, Iout = 500mA, 0°C ≤ TJ ≤ 125°C, Cin = 0.33µF, Cout = 0.1µF; unless otherwise noted.
Parameter
Symbol
Conditions
Min.
Output Voltage
TJ = 25°C
11.76
Vout
14.5V ≤ Vin ≤ 27V,
5mA ≤ Iout ≤ 1.0A, PD ≤ 15W
11.66
Line Regulation
(TJ = 25°C)
14V ≤ Vin < 30V
–
∆REGline
15V ≤ Vin < 19V
–
Load Regulation
(TJ = 25°C)
10mA ≤ Iout < 1.5A
–
∆REGload
250mA ≤ Iout < 750mA
–
Quiescent Current
Iq
Iout = 0, TJ = 25°C
—
Quiescent Current Change
14.5V ≤ Vin ≤ 30V
—
∆Iq
5mA ≤ Iout ≤ 1.0A
—
Output Noise Voltage
Vn
10Hz ≤ f ≤ 100KHz,TJ= 25°C —
Ripple Rejection Ratio
RR
f = 120Hz,15V ≤ Vin ≤ 25V 55
Dropout Voltage
Vdrop
Iout = 1.0A, TJ = 25°C
—
Output Resistance
Rout
f = 1KHz
—
Output Short Circuit Current
Ios
TJ = 25°C
—
Peak Output Current
Io peak
TJ = 25°C
—
Temperature Coefficient of Output Voltage
∆Vout/∆TJ Iout = 5mA,0°C ≤TJ ≤ 125°C —
Typ.
12.0
—
10
3
12
4
4.3
—
—
75
71
2
18
350
1.5
–1
Max. Unit
12.24
V
12.34
240
mV
120
240
mV
120
8
mA
1
mA
0.5
—
µV
—
dB
—
V
—
mΩ
—
mA
—
A
— mV/°C
Electrical Characteristics – MC7815
Vin = 23V, Iout = 500mA, 0°C ≤ TJ ≤ 125°C, Cin = 0.33µF, Cout = 0.1µF; unless otherwise noted.
Parameter
Symbol
Conditions
Min. Typ.
Output Voltage
TJ = 25°C
14.7 15.0
Vout
17.5V ≤ Vin ≤ 30V,
5mA ≤ Iout ≤ 1.0A, PD ≤ 15W
14.55
—
Line Regulation
(TJ = 25°C)
∆REGline
17.5V ≤ Vin < 30V
13V ≤ Vin < 17V
–
11
–
3
Load Regulation
(TJ = 25°C)
10mA ≤ Iout < 1.5A
–
12
∆REGload
250mA ≤ Iout < 750mA
–
4
Quiescent Current
Iq
Iout = 0, TJ = 25°C
—
4.4
Quiescent Current Change
17.5V ≤ Vin ≤ 30V
—
—
∆Iq
5mA ≤ Iout ≤ 1.0A
—
—
Output Noise Voltage
Vn
10Hz ≤ f ≤ 100KHz,TJ= 25°C —
90
Ripple Rejection Ratio
RR
f = 120Hz, 18V ≤ Vin ≤ 28V 54
70
Dropout Voltage
Vdrop
Iout = 1.0A, TJ = 25°C
—
2
Output Resistance
Rout
f = 1KHz
—
19
Output Short Circuit Current
Ios
TJ = 25°C
—
230
Peak Output Current
Io peak
TJ = 25°C
—
1.5
Temperature Coefficient of Output Voltage
∆Vout/∆TJ Iout = 5mA,0°C ≤TJ ≤ 125°C —
–1
Max. Unit
15.3
V
15.45
300
mV
150
300
mV
150
8
mA
1
mA
0.5
—
µV
—
dB
—
V
—
mΩ
—
mA
—
A
— mV/°C
Document Number 74813
29-Nov-01
www.vishay.com
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