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MC7812CT Datasheet(HTML) 5 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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MC7812CT Datasheet(HTML) 5 Page - ON Semiconductor

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MC7800, MC7800A, NCV7805
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (Vin = 11 V, IO = 500 mA, TJ = Tlow to Thigh (Note 5), unless otherwise noted)
MC7806B
MC7806C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
5.75
6.0
6.25
5.75
6.0
6.25
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
Vdc
8.0 Vdc
≤ Vin ≤ 21 Vdc
5.7
6.0
6.3
9.0 Vdc
≤ Vin ≤ 21 Vdc
5.7
6.0
6.3
Line Regulation, TJ = 25°C (Note 6)
Regline
mV
8.0 Vdc
≤ Vin ≤ 25 Vdc
5.5
120
0.5
24
9.0 Vdc
≤ Vin ≤ 13 Vdc
1.4
60
0.8
12
Load Regulation, TJ = 25°C (Note 6)
Regload
1.3
120
1.3
30
mV
5.0 mA
≤ IO ≤ 1.5 A
Quiescent Current (TJ = 25°C)
IB
3.3
8.0
3.3
8.0
mA
Quiescent Current Change
DIB
mA
8.0 Vdc
≤ Vin ≤ 25 Vdc
0.3
1.3
5.0 mA
≤ IO ≤ 1.0 A
0.5
0.08
0.5
Ripple Rejection
RR
65
58
65
dB
9.0 Vdc
≤ Vin ≤ 19 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI − VO
2.0
2.0
Vdc
Output Noise Voltage (TA = 25°C)
Vn
10
10
mV/VO
10 Hz
≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
rO
0.9
0.9
m
W
Short Circuit Current Limit (TA = 25°C)
ISC
0.2
0.2
A
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Imax
2.2
2.2
A
Average Temperature Coefficient of Output
Voltage
TCVO
−0.3
−0.3
mV/
°C
5. Tlow =0°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, NCV7805
= −40
°C for MC78XXB, MC78XXAB, NCV7805
6. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.


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