MC7800 Datasheet, PDF (11/16 Pages) Motorola, Inc – THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

MC7800, MC7800A, LM340, LM340A Series
ELECTRICAL CHARACTERISTICS (Vin = 27 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7818AC
Characteristic
Symbol
Min
Typ
Max
Output Voltage (TJ = 25°C)
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
21 Vdc ≤ Vin ≤ 33 Vdc
Line Regulation (Note 2)
21 Vdc ≤ Vin ≤ 33 Vdc, IO = 500 mA
24 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A
24 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
20.6 Vdc ≤ Vin ≤ 33 Vdc, IO = 1.0 A, 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
21 Vdc ≤ Vin ≤ 33 Vdc, IO = 500 mA
21.5 Vdc ≤ Vin ≤ 30 Vdc, TJ = 25°C
5.0 mA ≤ IO ≤ 1.0 A
Ripple Rejection
22 Vdc ≤ Vin ≤ 32 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
VO
17.64
18
18.36
VO
17.3
18
18.7
Regline
–
–
–
–
Regload
–
–
–
IB
–
∆IB
–
–
–
RR
53
9.5
22
3.2
25
3.2
10.5
8.0
22
2.0
25
1.8
25
1.5
15
3.5
6.0
–
0.8
–
0.8
–
0.5
57
–
VI – VO
–
2.0
–
Vn
–
10
–
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
–
1.3
–
–
0.2
–
–
2.2
–
–
–1.5
–
Unit
Vdc
Vdc
mV
mV
mA
mA
dB
Vdc
µV/VO
mΩ
A
A
mV/°C
ELECTRICAL CHARACTERISTICS (Vin = 33 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7824C
Characteristic
Symbol
Min
Typ
Max
Output Voltage (TJ = 25°C)
VO
23
24
25
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
27 Vdc ≤ Vin ≤ 38 Vdc
VO
22.8
24
25.2
Line Regulation, (Note 2)
27 Vdc ≤ Vin ≤ 38 Vdc
30 Vdc ≤ Vin ≤ 36 Vdc
Regline
–
2.7
60
–
2.7
48
Load Regulation, (Note 2)
5.0 mA ≤ IO ≤ 1.5 A
Regload
–
4.4
65
Quiescent Current
IB
–
3.6
6.5
Quiescent Current Change
27 Vdc ≤ Vin ≤ 38 Vdc
5.0 mA ≤ IO ≤ 1.0 A
∆IB
–
–
1.0
–
–
0.5
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.
Unit
Vdc
Vdc
mV
mV
mA
mA
MOTOROLA ANALOG IC DEVICE DATA
11