SMD Type
Three-Terminal Positive Voltage Regulator
LM78L15
SOT-89
4.50 0.1
1.80 0.1
IC
Unit: mm
1.50
0.1
0.1
Features
Maximum Output current I
O
: 0.1A
Output Voltage V
O
: 15V
Continuous Total Dissipation P
D
: 0.5W (T
a
= 25 )
0.48
0.1
1
2
0.53
3
0.44
0.1
0.1
0.80
0.40
3.00
0.1
0.1
2.60
0.1
2.50 0.1
4.00 0.1
1.OUT
2.GND
3.IN
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
I
T
OPR
T
STG
-55
-55
Rating
35
+125
+150
Unit
V
Electrical Characteristics (V
I
=23V, I
O
=40mA,C
I
=0.33 F,C
O
=0.1 F, unless otherwise specified)
Parameter
Symbol
T
J
= 25
Output Voltage
V
O
T
J
= 0 125 , 17.5V
V
I
30V, I
O
=1mA
70mA
40mA
Testconditons
Min
14.4
14.25
14.25
Typ
15
15
15
25
15
65
58
4.6
V
I
30V, I
O
= 40mA
I
O
40mA
82
34
39
1.7
Max
15.6
15.75
15.75
150
75
300
250
6.5
1.5
0.1
V
dB
V
Unit
V
V
V
mV
mV
mV
mV
mA
mA
T
J
= 0 125 , V
I
= 23V, I
O
=1mA
Load Regulation
V
O
T
J
= 25 , V
I
= 23V, I
O
=1mA
T
J
= 25 , V
I
= 23V, I
O
=1mA
Line Regulation
Quiescent Current
Quiescent current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
V
O
I
Q
I
Q
V
N
RR
V
D
T
J
= 25 , 17.5V
T
J
= 25 , 19V
T
J
= 25
T
J
= 0 125 , 19V
V
I
V
I
100mA
40mA
30V, I
O
= 40mA
30V, I
O
= 40mA
T
J
= 0 125 , V
I
= 23V, 1mA
T
J
= 25 , 10Hz f
100KHz
V
I
T
J
= 0 125 , 18.5V
T
J
= 25
28.5V, f = 120Hz
Typical Application
V
I
2
LM78L15
1
V
O
C
I
0.33
F
3
C
O
0.1
F
Note:Bypass capacitors are recommended
for optimum stability and transient
response and should be located as
close as possible to the regulators.
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