MC7800, MC7800A, LM340, LM340A Series
7
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(Vin = 15 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7809CT
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
11.5 Vdc
≤
Vin
≤
24 Vdc
Line Regulation, TJ = 25
°
C (Note 2)
11 Vdc
≤
Vin
≤
26 Vdc
11.5 Vdc
≤
Vin
≤
17 Vdc
Load Regulation, TJ = 25
°
C (Note 2)
5.0 mA
≤
IO
≤
1.5 A
Quiescent Current
VO
VO
8.65
9.0
9.35
Vdc
8.55
9.0
9.45
Vdc
Regline
mV
–
–
6.2
1.8
32
16
Regload
–
1.5
35
mV
IB
IB
–
3.4
8.0
mA
Quiescent Current Change
11.5 Vdc
≤
Vin
≤
26 Vdc
5.0 mA
≤
IO
≤
1.0 A
Ripple Rejection
11.5 Vdc
≤
Vin
≤
21.5 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25
°
C)
Output Noise Voltage (TA = 25
°
C)
10 Hz
≤
f
≤
100 kHz
mA
–
–
–
–
1.0
0.5
RR
56
61
–
dB
VI – VO
Vn
–
2.0
–
Vdc
–
10
–
μ
V/VO
Output Resistance f = 1.0 kHz
rO
ISC
–
1.0
–
m
Short Circuit Current Limit (TA = 25
°
C)
Vin = 35 Vdc
Peak Output Current (TJ = 25
°
C)
Average Temperature Coefficient of Output Voltage
–
0.2
–
A
Imax
TCVO
–
2.2
–
A
–
–0.5
–
mV/
°
C
ELECTRICAL CHARACTERISTICS
(Vin = 19 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7812C/LM340T–12
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage (5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W)
14.5 Vdc
≤
Vin
≤
27 Vdc
Line Regulation, TJ = 25
°
C (Note 2)
14.5 Vdc
≤
Vin
≤
30 Vdc
16 Vdc
≤
Vin
≤
22 Vdc
14.8 Vdc
≤
Vin
≤
27 Vdc, IO = 1.0 A
Load Regulation, TJ = 25
°
C (Note 2)
5.0 mA
≤
IO
≤
1.5 A
Quiescent Current
VO
VO
11.5
12
12.5
Vdc
11.4
12
12.6
Vdc
Regline
mV
–
–
–
3.8
0.3
–
24
24
48
Regload
–
8.1
60
mV
IB
IB
–
3.4
6.5
mA
Quiescent Current Change
14.5 Vdc
≤
Vin
≤
30 Vdc, IO = 1.0 A, TJ = 25
°
C
15 Vdc
≤
Vin
≤
30 Vdc
5.0 mA
≤
IO
≤
1.0 A
Ripple Rejection
15 Vdc
≤
Vin
≤
25 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25
°
C)
mA
–
–
–
–
–
–
0.7
0.8
0.5
RR
55
60
–
dB
VI – VO
–
2.0
–
Vdc
NOTES:
1.Tlow = –40
°
C for MC78XXAC, C, LM340AT–XX, LM340T–XX Thigh = +125
°
C for MC78XXAC, C, LM340AT–XX, LM340T–XX
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.