MC7800 Datasheet, PDF (6/16 Pages) Motorola, Inc – THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

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
Symbol
Min
Typ
Max
Unit
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
rO
ISC
Imax
TCVO
–
0.9
–
mΩ
–
0.2
–
A
–
2.2
–
A
–
–0.4
–
mV/°C
ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7808AC
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
7.84
8.0
8.16
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
VO
7.7
8.0
8.3
Regline
–
6.0
15
–
1.7
18
–
5.0
15
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
Regload
–
1.4
25
–
1.0
25
–
0.22
15
IB
–
3.3
6.0
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)
∆IB
–
–
0.8
–
–
0.8
–
–
0.5
RR
56
62
–
VI – VO
–
2.0
–
Output Noise Voltage (TA = 25°C)
10 Hz ≤ f ≤ 100 kHz
Vn
–
10
–
Output Resistance f = 1.0 kHz
rO
–
0.9
–
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
ISC
Imax
–
0.2
–
–
2.2
–
Average Temperature Coefficient of Output Voltage
TCVO
–
–0.4
–
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.
Vdc
Vdc
mV
mV
mA
mA
dB
Vdc
µV/VO
mΩ
A
A
mV/°C
6
MOTOROLA ANALOG IC DEVICE DATA