MC7800_06 Datasheet, PDF (7/32 Pages) ON Semiconductor – 1.0 A Positive Voltage Regulators

MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (V_in = 14 V, I_O = 500 mA, T_J = T_low to T_high (Note 9), unless otherwise noted)
MC7808B
MC7808C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (T_J = 25°C)
V_O
7.7
8.0
8.3
7.7
8.0
8.3
Vdc
Output Voltage (5.0 mA ≤ I_O ≤ 1.0 A, P_D ≤ 15 W)
V_O
Vdc
10.5 Vdc ≤ V_in ≤ 23 Vdc
−
−
−
7.6
8.0
8.4
11.5 Vdc ≤ V_in ≤ 23 Vdc
7.6
8.0
8.4
−
−
−
Line Regulation, T_J = 25°C, (Note 10)
Reg_line
mV
10.5 Vdc ≤ V_in ≤ 25 Vdc
−
6.0
160
−
6.0
32
11 Vdc ≤ V_in ≤ 17 Vdc
−
1.7
80
−
1.7
16
Load Regulation, T_J = 25°C (Note 10)
Reg_load
−
1.4
160
−
1.4
35
mV
5.0 mA ≤ I_O ≤ 1.5 A
Quiescent Current
I_B
−
3.3
8.0
−
3.3
8.0
mA
Quiescent Current Change
DI_B
mA
10.5 Vdc ≤ V_in ≤ 25 Vdc
−
−
−
−
−
1.0
5.0 mA ≤ I_O ≤ 1.0 A
−
−
0.5
−
−
0.5
Ripple Rejection
RR
−
62
−
56
62
−
dB
11.5 Vdc ≤ V_in ≤ 18 Vdc, f = 120 Hz
Dropout Voltage (I_O = 1.0 A, T_J = 25°C)
Output Noise Voltage (T_A = 25°C)
10 Hz ≤ f ≤ 100 kHz
V_I − V_O
−
2.0
−
V_n
−
10
−
−
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)
I_SC
−
0.2
−
−
0.2
−
A
V_in = 35 Vdc
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
9. T_low = 0°C for MC78XXAC, C T_high = +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 V_O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
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