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MC7818ACT Datasheet(PDF) 11 Page - ON Semiconductor

Part # MC7818ACT
Description  1.0 A Positive Voltage Regulators
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC7818ACT Datasheet(HTML) 11 Page - ON Semiconductor

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MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
11
ELECTRICAL CHARACTERISTICS (Vin = 19 V, IO = 500 mA, TJ = Tlow to 125°C (Note 17), unless otherwise noted)
MC7812B/NCV7812B
MC7812C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
11.5
12
12.5
11.5
12
12.5
Vdc
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
Vdc
14.5 Vdc ≤ Vin ≤ 27 Vdc
11.4
12
12.6
15.5 Vdc ≤ Vin ≤ 27 Vdc
11.4
12
12.6
Line Regulation, TJ = 25°C (Note 18)
Regline
mV
14.5 Vdc ≤ Vin ≤ 30 Vdc
7.5
240
3.8
24
16 Vdc ≤ Vin ≤ 22 Vdc
2.2
120
0.3
24
14.8 Vdc ≤ Vin ≤ 27 Vdc, IO = 1.0 A
48
Load Regulation, TJ = 25°C (Note 18)
Regload
1.6
240
8.1
60
mV
5.0 mA ≤ IO ≤ 1.5 A
Quiescent Current
IB
3.4
8.0
3.4
6.5
mA
Quiescent Current Change
DIB
mA
14.5 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
0.7
15 Vdc ≤ Vin ≤ 30 Vdc
1.0
0.8
5.0 mA ≤ IO ≤ 1.0 A
0.5
0.5
Ripple Rejection
RR
60
55
60
dB
15 Vdc ≤ Vin ≤ 25 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
1.1
1.1
mW
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
−0.8
−0.8
mV/°C
17.Tlow =0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
18.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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