MC78LXXA (LM78LXX, KA78LXXA)
FIXED VOLTAGE REGULATOR (POSITIVE)
LM78L12 ELECTRICAL CHARACTERISTICS
Characteristic
Output Voltage
Line Regulation
Load Regulation
Symbol
V
O
∆V
O
∆V
O
T
J
= 25
°C
T
J
=25
°C
T
J
=25
°C
(V
I
= 19V, I
O
= 40mA, 0
°C ≤T
J
≤
125
°C,
C
I
= 0.33
µF,
C
O
= 0.1µF, unless otherwise specified. (Note 1)
Test Conditions
14.5V
≤
V
I
≤
27V
16V
≤
V
I
≤
27V
1mA
≤
I
O
≤
100mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
70mA
11.4
11.4
2.1
Min
11.5
Typ
12
20
15
20
10
Max
12.5
250
200
100
50
12.6
12.6
6.0
1.5
0.1
80
-1.0
37
65
1.7
Unit
V
mV
mV
mV
mV
V
V
mA
mA
mA
µV/V
O
mV/
°C
dB
V
14.5V
≤
V
I
≤
27V
Output Voltage
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Temperature Coefficient of V
O
Ripple Rejection
Dropout Voltage
with line
with load
V
O
I
Q
∆I
Q
∆I
Q
V
N
14.5V
≤
V
I
≤
V
MAX
(Note 2)
T
J
= 25
°C
16V
≤
V
I
≤
27V
1mA
≤
I
O
≤
40mA
T
A
= 25
°C,
10Hz
≤
f
≤
100KHz
∆V
O
/∆T I
O
= 5mA
RR
V
D
f = 120Hz, 15V
≤
V
I
≤
25V, T
J
= 25
°C
T
J
= 25
°C
LM78L15 ELECTRICAL CHARACTERISTICS
(V
I
= 23V, I
O
= 40mA, 0
°C ≤
T
J
≤
125°C, C
I
= 0.33
µF,
C
O
= 0.1µF, unless otherwise specified. (Note 1)
Characteristic
Output Voltage
Line Regulation
Load Regulation
Symbol
V
O
∆V
O
∆V
O
T
J
= 25
°C
T
J
=25
°C
T
J
=25
°C
17.5V
≤
V
I
≤
30V
Output Voltage
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Temperature Coefficient of V
O
Ripple Rejection
Dropout Voltage
with line
with load
V
O
I
Q
∆I
Q
∆I
Q
V
N
17.5V
≤
V
I
≤
V
MAX
(Note 2)
T
J
= 25
°C
20V
≤
V
I
≤
30V
1mA
≤
I
O
≤
40mA
T
A
= 25
°C,
10Hz
≤
f
≤
100KHz
90
-1.3
34
60
1.7
17.5V
≤
V
I
≤
30V
20V
≤
V
I
≤
30V
1mA
≤
I
O
≤
100mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
70mA
14.25
14.25
2.1
Test Conditions
Min
14.4
Typ
15
25
20
25
12
Max
15.6
300
250
150
75
15.75
15.75
6.0
1.5
0.1
Unit
V
mV
mV
mV
mV
V
V
mA
mA
mA
µV/V
O
mV/
°C
dB
V
∆V
O
/∆T I
O
= 5mA
RR
V
D
f = 120Hz, 18.5V
≤
V
I
≤
28.5V, T
J
= 25
°C
T
J
= 25
°C
BOCA [ BOCA SEMICONDUCTOR CORPORATION ]
