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MC7808BD2T 查看數據表(PDF) - ON Semiconductor

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MC7808BD2T 1.0 A Positive Voltage Regulators ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC7808BD2T Datasheet PDF : 32 Pages
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MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (Vin = 27 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 26), unless otherwise noted)
MC7818AC
Characteristic
Symbol
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
Line Regulation (Note 27)
21 Vdc Vin 33 Vdc, IO = 500 mA
24 Vdc Vin 30 Vdc, IO = 1.0 A
24 Vdc Vin 30 Vdc, IO = 1.0 A, TJ = 25°C
20.6 Vdc Vin 33 Vdc, IO = 1.0 A, TJ = 25°C
Load Regulation (Note 27)
5.0 mA IO 1.5 A, TJ = 25°C
5.0 mA IO 1.0 A
250 mA IO 750 mA
Quiescent Current
Quiescent Current Change
21 Vdc Vin 33 Vdc, IO = 500 mA
21.5 Vdc Vin 30 Vdc, TJ = 25°C
5.0 mA IO 1.0 A
Ripple Rejection
VO
17.64
18
18.36
Vdc
VO
17.3
18
18.7
Vdc
Regline
mV
9.5
22
3.2
25
3.2
10.5
8.0
22
Regload
mV
2.0
25
1.8
25
1.5
15
IB
3.5
6.0
mA
DIB
mA
0.8
0.8
0.5
RR
53
57
dB
22 Vdc Vin 32 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
Output Noise Voltage (TA = 25°C)
10 Hz f 100 kHz
VI − VO
2.0
Vdc
Vn
10
mV/VO
Output Resistance f = 1.0 kHz
rO
1.3
mW
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
−1.5
mV/°C
26. Tlow = 0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805
= *40°C for MC78XXB, MC78XXAB, NCV7805
27. 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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