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MC7812CT Datasheet(PDF) 18 Page - ON Semiconductor

Part No. MC7812CT
Description  1.0 A Positive Voltage Regulators
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
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MC7812CT Datasheet(HTML) 18 Page - ON Semiconductor

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MC7800, MC7800A, NCV7805
http://onsemi.com
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ELECTRICAL CHARACTERISTICS (Vin = 33 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 30), unless otherwise noted)
MC7824AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
23.5
24
24.5
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
23.2
24
25.8
Vdc
27.3 Vdc
≤ Vin ≤ 38 Vdc
Line Regulation (Note 31)
Regline
mV
27 Vdc
≤ Vin ≤ 38 Vdc, IO = 500 mA
11.5
25
30 Vdc
≤ Vin ≤ 36 Vdc, IO = 1.0 A
3.8
28
30 Vdc
≤ Vin ≤ 36 Vdc, TJ = 25°C
3.8
12
26.7 Vdc
≤ Vin ≤ 38 Vdc, IO = 1.0 A, TJ = 25°C
10
25
Load Regulation (Note 31)
Regload
mV
5.0 mA
≤ IO ≤ 1.5 A, TJ = 25°C
2.1
15
5.0 mA
≤ IO ≤ 1.0 A
2.0
25
250 mA
≤ IO ≤ 750 mA
1.8
15
Quiescent Current
IB
3.6
6.0
mA
Quiescent Current Change
DIB
mA
27.3 Vdc
≤ Vin ≤ 38 Vdc, IO = 500 mA
0.8
27 Vdc
≤ Vin ≤ 38 Vdc, TJ = 25°C
0.8
5.0 mA
≤ IO ≤ 1.0 A
0.5
Ripple Rejection
RR
45
54
dB
28 Vdc
≤ Vin ≤ 38 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI − VO
2.0
Vdc
Output Noise Voltage (TA = 25°C)
Vn
10
mV/VO
10 Hz
≤ f ≤ 100 kHz
Output Resistance (f = 1.0 kHz)
rO
1.4
m
W
Short Circuit Current Limit (TA = 25°C)
ISC
0.2
A
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
−2.0
mV/
°C
30. Tlow =0°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, C, NCV7805
=
*40°C for MC78XXB, MC78XXAB, NCV7805
31. 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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