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MC7800_10 Datasheet, PDF (10/33 Pages) ON Semiconductor – 1.0 A Positive Voltage Regulators
MC7800, MC7800A, MC7800AE, NCV7800
ELECTRICAL CHARACTERISTICS (Vin = 15 V, IO = 1.0 A, TJ = Tlow to 125°C (Note 15), unless otherwise noted)
MC7809AB/MC7809AC
Characteristic
Output Voltage (TJ = 25°C)
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
11.5 Vdc ≤ Vin ≤ 24 Vdc
Symbol
Min
Typ
Max
Unit
VO
8.82
9.0
9.18
Vdc
VO
8.65
9.0
9.35
Vdc
Line Regulation (Note 16)
11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA
12 Vdc ≤ Vin ≤ 17 Vdc, IO = 1.0 A
11.5 Vdc ≤ Vin ≤ 24 Vdc, TJ = 25°C
Regline
mV
−
6.2
16
−
1.8
7.0
−
5.2
16
Load Regulation (Note 16)
5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C
5.0 mA ≤ IO ≤ 1.0 A
250 mA ≤ IO ≤ 750 mA
Regload
−
−
−
mV
−
25
−
25
−
15
Quiescent Current
IB
−
3.3
6.0
mA
Quiescent Current Change
11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA
11.5 Vdc ≤ Vin ≤ 24 Vdc, IO = 1.0 A, TJ = 25°C
5.0 mA ≤ IO ≤ 1.0 A
DIB
mA
−
−
0.8
−
−
0.8
−
−
0.5
Ripple Rejection
11.5 Vdc ≤ Vin ≤ 21.5 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
RR
56
61
VI _ VO
2.0
Vn
−
10
dB
−
Vdc
mV/VO
−
Output Resistance f = 1.0 kHz
rO
−
1.0
−
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
−
−0.5
−
mV/°C
15. Tlow = 0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB.
16. 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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