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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 = 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)
Output Voltage (5.0 mA IO 1.0 A, PD 15 W)
27.3 Vdc Vin 38 Vdc
Line Regulation (Note 31)
27 Vdc Vin 38 Vdc, IO = 500 mA
30 Vdc Vin 36 Vdc, IO = 1.0 A
30 Vdc Vin 36 Vdc, TJ = 25°C
26.7 Vdc Vin 38 Vdc, IO = 1.0 A, TJ = 25°C
Load Regulation (Note 31)
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
27.3 Vdc Vin 38 Vdc, IO = 500 mA
27 Vdc Vin 38 Vdc, TJ = 25°C
5.0 mA IO 1.0 A
Ripple Rejection
VO
23.5
24
24.5
Vdc
VO
23.2
24
25.8
Vdc
Regline
mV
11.5
25
3.8
28
3.8
12
10
25
Regload
mV
2.1
15
2.0
25
1.8
15
IB
3.6
6.0
mA
DIB
mA
0.8
0.8
0.5
RR
45
54
dB
28 Vdc Vin 38 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
1.4
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
−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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