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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
1 2 3 4 5 6 7 8 9 10 Next Last
MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 3), unless otherwise noted)
MC7805AB/MC7805AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
Output Voltage (5.0 mA IO 1.0 A, PD 15 W)
7.5 Vdc Vin 20 Vdc
Line Regulation (Note 4)
7.5 Vdc Vin 25 Vdc, IO = 500 mA
8.0 Vdc Vin 12 Vdc, IO = 1.0 A
8.0 Vdc Vin 12 Vdc, IO = 1.0 A, TJ = 25°C
7.3 Vdc Vin 20 Vdc, IO = 1.0 A, TJ = 25°C
Load Regulation (Note 4)
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
8.0 Vdc Vin 25 Vdc, IO = 500 mA
7.5 Vdc Vin 20 Vdc, TJ = 25°C
5.0 mA IO 1.0 A
Ripple Rejection
8.0 Vdc Vin 18 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
VO
4.9
VO
4.8
Regline
Regload
IB
DIB
RR
68
VI − VO
Vn
5.0
5.0
0.5
0.8
1.3
4.5
1.3
0.8
0.53
3.2
0.3
0.08
83
2.0
10
5.1
Vdc
5.2
Vdc
mV
10
12
4.0
10
mV
25
25
15
6.0
mA
mA
0.8
0.8
0.5
dB
Vdc
mV/VO
Output Resistance (f = 1.0 kHz)
rO
0.9
mW
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
ISC
0.2
A
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
−0.3
mV/°C
3. Tlow = 0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805
= *40°C for MC78XXB, MC78XXAB, NCV7805
4. 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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