MC7800, MC7800A, LM340, LM340A Series
ELECTRICAL CHARACTERISTICS
(continued)
(Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7808C
Characteristic
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Average Temperature Coefficient of Output Voltage
Symbol
rO
ISC
Imax
TCVO
Min
–
–
–
–
Typ
0.9
0.2
2.2
–0.4
Max
–
–
–
–
Unit
mΩ
A
A
mV/°C
ELECTRICAL CHARACTERISTICS
(Vin = 14 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7808AC
Characteristic
Output Voltage (TJ = 25°C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
10.6 Vdc
≤
Vin
≤
23 Vdc
Line Regulation (Note 2)
10.6 Vdc
≤
Vin
≤
25 Vdc, IO = 500 mA
11 Vdc
≤
Vin
≤
17 Vdc, IO = 1.0 A
10.4 Vdc
≤
Vin
≤
23 Vdc, TJ = 25°C
Load Regulation (Note 2)
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
11 Vdc
≤
Vin
≤
25 Vdc, IO = 500 mA
10.6 Vdc
≤
Vin
≤
23 Vdc, IO = 1.0 A, TJ = 25°C
5.0 mA
≤
IO
≤
1.0 A
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
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Average Temperature Coefficient of Output Voltage
Symbol
VO
VO
Regline
–
–
–
Regload
–
–
–
IB
∆I
B
–
–
–
RR
VI – VO
Vn
rO
ISC
Imax
TCVO
56
–
–
–
–
–
–
–
–
–
62
2.0
10
0.9
0.2
2.2
–0.4
0.8
0.8
0.5
–
–
–
–
–
–
–
dB
Vdc
µV/V
O
mΩ
A
A
mV/°C
–
1.4
1.0
0.22
3.3
25
25
15
6.0
mA
mA
6.0
1.7
5.0
15
18
15
mV
Min
7.84
7.7
Typ
8.0
8.0
Max
8.16
8.3
Unit
Vdc
Vdc
mV
NOTES:
1. Tlow = –40°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, C
2. 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.
6
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA, INC ]
