MC7818ACTG 查看數據表（PDF） - ON Semiconductor
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MC7818ACTG Datasheet PDF : 32 Pages
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MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (Vin = 27 V, IO = 500 mA, TJ = Tlow to Thigh (Note 24), unless otherwise noted)
MC7818B
MC7818C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = 25°C)
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
21 Vdc ≤ Vin ≤ 33 Vdc
22 Vdc ≤ Vin ≤ 33 Vdc
Line Regulation, (Note 25)
21 Vdc ≤ Vin ≤ 33 Vdc
24 Vdc ≤ Vin ≤ 30 Vdc
Load Regulation, (Note 25)
5.0 mA ≤ IO ≤ 1.5 A
Quiescent Current
Quiescent Current Change
21 Vdc ≤ Vin ≤ 33 Vdc
5.0 mA ≤ IO ≤ 1.0 A
Ripple Rejection
VO
17.3
18
18.7 17.3
18
18.7
Vdc
VO
Vdc
−
−
−
17.1
18
18.9
17.1
18
18.9
−
−
−
Regline
mV
−
9.5
360
−
9.5
50
−
3.2
180
−
3.2
25
Regload
−
2.0
360
−
2.0
55
mV
IB
−
3.5
8.0
−
3.5
6.5
mA
DIB
mA
−
−
−
−
−
1.0
−
−
0.5
−
−
0.5
RR
−
57
−
53
57
−
dB
22 Vdc ≤ Vin ≤ 33 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
Output Noise Voltage (TA = 25°C)
10 Hz ≤ f ≤ 100 kHz
ViI − VO
−
2.0
−
Vn
−
10
−
−
2.0
−
Vdc
−
10
−
mV/VO
Output Resistance f = 1.0 kHz
rO
−
1.3
−
−
1.3
−
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
−
−1.5
−
−
−1.5
−
mV/°C
24. Tlow = 0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805
= *40°C for MC78XXB, MC78XXAB, NCV7805
25. 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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