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MC7808BDTG 查看數據表(PDF) - ON Semiconductor

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MC7808BDTG 1.0 A Positive Voltage Regulators ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC7808BDTG Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh (Note 9), unless otherwise noted)
MC7808B
MC7808C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = 25°C)
VO
7.7
8.0
8.3
7.7
8.0
8.3
Vdc
Output Voltage (5.0 mA IO 1.0 A, PD 15 W)
VO
Vdc
10.5 Vdc Vin 23 Vdc
7.6
8.0
8.4
11.5 Vdc Vin 23 Vdc
7.6
8.0
8.4
Line Regulation, TJ = 25°C, (Note 10)
Regline
mV
10.5 Vdc Vin 25 Vdc
6.0
160
6.0
32
11 Vdc Vin 17 Vdc
1.7
80
1.7
16
Load Regulation, TJ = 25°C (Note 10)
Regload
1.4
160
1.4
35
mV
5.0 mA IO 1.5 A
Quiescent Current
IB
3.3
8.0
3.3
8.0
mA
Quiescent Current Change
DIB
mA
10.5 Vdc Vin 25 Vdc
1.0
5.0 mA IO 1.0 A
0.5
0.5
Ripple Rejection
RR
62
56
62
dB
11.5 Vdc Vin 18 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
Output Noise Voltage (TA = 25°C)
10 Hz f 100 kHz
VI − VO
2.0
Vn
10
2.0
Vdc
10
mV/VO
Output Resistance f = 1.0 kHz
rO
0.9
0.9
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
−0.4
−0.4
mV/°C
9. Tlow = 0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805
= *40°C for MC78XXB, MC78XXAB, NCV7805
10. 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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