MC7800_11 Datasheet, PDF (8/34 Pages) ON Semiconductor – 1.0 A Positive Voltage Regulators

MC7800, MC7800A, MC7800AE, NCV7800
ELECTRICAL CHARACTERISTICS (V_in = 14 V, I_O = 1.0 A, T_J = T_low to 125°C (Note 11), unless otherwise noted)
MC7808AB/MC7808AC
MC7808AEB
Characteristic
Symbol
Min
Typ
Max Min Typ Max Unit
Output Voltage (T_J = 25°C)
Output Voltage (5.0 mA ≤ I_O ≤ 1.0 A, P_D ≤ 15 W)
10.6 Vdc ≤ V_in ≤ 23 Vdc
Line Regulation (Note 12)
10.6 Vdc ≤ V_in ≤ 25 Vdc, I_O = 500 mA
11 Vdc ≤ V_in ≤ 17 Vdc, I_O = 1.0 A
10.4 Vdc ≤ V_in ≤ 23 Vdc, T_J = 25°C
Load Regulation (Note 12)
5.0 mA ≤ I_O ≤ 1.5 A, T_J = 25°C
5.0 mA ≤ I_O ≤ 1.0 A
250 mA ≤ I_O ≤ 750 mA
Quiescent Current
Quiescent Current Change
11 Vdc ≤ V_in ≤ 25 Vdc, I_O = 500 mA
10.6 Vdc ≤ V_in ≤ 23 Vdc, I_O = 1.0 A, T_J = 25°C
5.0 mA ≤ I_O ≤ 1.0 A
Ripple Rejection
11.5 Vdc ≤ V_in ≤ 21.5 Vdc, f = 120 Hz, I_O = 500 mA
Dropout Voltage (I_O = 1.0 A, T_J = 25°C)
Output Noise Voltage (T_A = 25°C)
10 Hz ≤ f ≤ 100 kHz
V_O
V_O
Reg_line
Reg_load
I_B
DI_B
RR
V_I − V_O
V_n
7.84
7.7
−
−
−
−
−
−
−
−
−
−
56
−
−
8.0
8.0
6.0
1.7
5.0
1.4
1.0
0.22
3.3
−
−
−
62
2.0
10
8.16 7.88
8.3 7.88
8.12 Vdc
8.12 Vdc
mV
15
−
6.0 15
18
−
1.7 18
15
−
5.0 15
mV
25
−
1.4 25
25
−
1.0 25
15
− 0.22 15
6.0
−
3.3 6.0
mA
mA
0.8
−
−
0.8
0.8
−
−
0.8
0.5
−
−
0.5
−
56
62
−
dB
−
−
2.0
−
Vdc
−
−
10
−
mV/V_O
Output Resistance f = 1.0 kHz
r_O
−
0.9
−
−
0.9
−
mW
Short Circuit Current Limit (T_A = 25°C)
V_in = 35 Vdc
I_SC
−
0.2
−
−
0.2
−
A
Peak Output Current (T_J = 25°C)
I_max
−
2.2
−
−
2.2
−
A
Average Temperature Coefficient of Output Voltage
TCV_O
−
−0.4
−
− −0.4 − mV/°C
11. T_low = 0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
12. Load and line regulation are specified at constant junction temperature. Changes in V_O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
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