SNVS754I – JANUARY 2000 – REVISED APRIL 2013
LM78LXX Electrical Characteristics LM78L12AC
Unless otherwise specified, V
IN
= 19V
Symbol
V
O
Output Voltage
14.5V
≤
V
IN
≤
27V
1mA
≤
I
O
≤
40mA
(1)
Parameter
Conditions
Min
11.5
11.4
11.4
Typ
12
Max
12.5
12.6
12.6
Units
V
1mA
≤
I
O
≤
70mA
(1)
ΔV
O
ΔV
O
I
Q
ΔI
Q
V
n
ΔV
IN
/ΔV
OUT
I
PK
ΔV
O
/ΔT
V
IN
(Min)
(1)
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Peak Output Current
Average Output Voltage Tempco
Minimum Value of Input Voltage
Required to Maintain Line Regulation
14.5V
≤
V
IN
≤
27V
16V
≤
V
IN
≤
27V
1mA
≤
I
O
≤
100mA
1mA
≤
I
O
≤
40mA
16V
≤
V
IN
≤
27V
1mA
≤
I
O
≤
40mA
30
20
30
10
3
180
110
100
50
5
1
0.1
mA
μV
dB
mA
mV/°C
14.5
V
mV
80
f = 120 Hz
15V
≤
V
IN
≤
25
I
O
= 5mA
40
54
140
−1.0
13.7
Power dissipation
≤
0.75W.
LM78LXX Electrical Characteristics LM78L15AC
Unless otherwise specified, V
IN
= 23V
Symbol
V
O
Output Voltage
17.5V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
40mA
(1)
Parameter
Conditions
Min
14.4
14.25
14.25
Typ
15.0
Max
15.6
15.75
15.75
Units
V
1mA
≤
I
O
≤
70mA
(1)
ΔV
O
ΔV
O
I
Q
ΔI
Q
V
n
ΔV
IN
/ΔV
OUT
I
PK
ΔV
O
/ΔT
V
IN
(Min)
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Peak Output Current
Average Output Voltage Tempco
Minimum Value of Input Voltage
Required to Maintain Line Regulation
17.5V
≤
V
IN
≤
30V
20V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
100mA
1mA
≤
I
O
≤
40mA
20V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
40mA
37
25
35
12
3
250
140
150
75
5
1
0.1
mA
μV
dB
mA
mV/°C
17.5
V
mV
90
f = 120 Hz
18.5V
≤
V
IN
≤
28.5V
I
O
= 5mA
37
51
140
−1.3
16.7
(1)
Power dissipation
≤
0.75W.
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