MC7800_10 Datasheet, PDF (17/33 Pages) ON Semiconductor – 1.0 A Positive Voltage Regulators

MC7800, MC7800A, MC7800AE, NCV7800
ELECTRICAL CHARACTERISTICS (V_in = 33 V, I_O = 500 mA, T_J = T_low to 125°C (Note 29), unless otherwise noted)
MC7824B
MC7824C
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)
27 Vdc ≤ V_in ≤ 38 Vdc
28 Vdc ≤ V_in ≤ 38 Vdc
Line Regulation, (Note 30)
27 Vdc ≤ V_in ≤ 38 Vdc
30 Vdc ≤ V_in ≤ 36 Vdc
Load Regulation, (Note 30)
5.0 mA ≤ I_O ≤ 1.5 A
Quiescent Current
Quiescent Current Change
27 Vdc ≤ V_in ≤ 38 Vdc
5.0 mA ≤ I_O ≤ 1.0 A
Ripple Rejection
V_O
23
24
25
23
24
25
Vdc
V_O
Vdc
−
−
−
22.8
24
25.2
22.8
24
25.2
−
−
−
Reg_line
mV
−
11.5
480
−
2.7
60
−
3.8
240
−
2.7
48
Reg_load
−
2.1
480
−
4.4
65
mV
I_B
−
3.6
8.0
−
3.6
6.5
mA
DI_B
mA
−
−
−
−
−
1.0
−
−
0.5
−
−
0.5
RR
−
54
−
50
54
−
dB
28 Vdc ≤ V_in ≤ 38 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
−
1.4
−
−
1.4
−
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
−
−2.0
−
−
−2.0
−
mV/°C
29. T_low = 0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
30. 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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