SOT-89 Plastic-Encapsulate Voltage Regulators
DN:T19A16A0
http://www.microdiode.com Rev:2019A0 Page :1
78L08
The above data are for reference only.
78L08 Three-terminal positive voltage regulator
SOT
-
89
-3L
1. OUT
2. GND
3. IN
FEATURES
Maximum output current
I
OM
: 0.1
A
Output
volt
age
z
z
V
O
: 8V
Continuous total dissipation
P
D
: 0.6 W
z
2
C0
0.1μF
A
B
SOL
U
T
E M
A
X
I
MUM R
A
T
I
NGS (Op
e
ratin
g
temp
eratu
r
e ran
ge applies unless otherwise specified)
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE (Vi=14V,Io=40mA,Ci=0.33uF,,Co=0.1uF, unless otherwise specified )
TYP
ICAL APPLICATION
Vi 3 1 Vo
Ci
0.33μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
78L08
*
Pulse test.
P
a
r
ameter Symbol Value Unit
Input
V
o
lt
ag
e V
i
30 V
T
hermal Resist
ance from J
u
nction to Ambient R
θJA
166.7
℃/W
Operating
Ju
nction
T
emper
a
ture Range
T
OPR
-40~+125
℃
Storage
Temperature Range
T
STG
~+150
℃
(T
a
= 25 ℃ )
-65
Parameter Symbol Test conditions Min Typ Max Unit
25℃
7.7
8.0
8.3
V
10.5V≤V
l
≤23V, Io=1mA-40mA 7.6 8.0
8.4
V
Output voltage Vo
Io=1mA-70mA
7.6
8.0
8.4 V
Io=1mA-100mA
25℃
18
80
mV
Loa
d Re
gul
atio
n
△
V
o
Io=1mA-40mA
25℃
10
40
mV
10.5V≤V
l
≤23V
25℃
42
175
mV
Line regulation △Vo
11V≤V
l
≤23V
25℃
36
125
mV
Quiescent Current Iq
25℃
6.0
mA
△Iq
11V≤V
l
≤23V
1.5
mA
Quiescent Current Change
△Iq 1mA≤I
O
≤40mA 0.1
mA
Output Noise Voltage V
N
10Hz≤f≤100KHz
25℃
54
Ripple Rejection RR
13V
≤V
l
≤23
V,f=120Hz
37
46
dB
Dropout Voltage Vd
25℃
1.7
V
μV/Vo
0-125℃
0-125℃
0-125℃
0-125℃
4
Rev:2019A0 Page :2
http://www.microdiode.com
Typical Characteristics
78L08
-25 0 25 50 75 100 125
6.0
6.5
7.0
7.5
8.0
8.5
9.0
0 5 10 15 20 25 30
0
1
2
3
4
5
6
7
8
9
10
7 8 9 1011 21 1314
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
0 5 10 15 20 25 30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.00 0.05 0.10 0.15 0.20 0.25
3
4
5
6
7
8
9
-25 0 25 50 75 100 125
0
100
200
300
400
500
600
700
800
JUNCTION TEMPERATURE T
J
(℃)
V
in
=14V
I
O
=5mA
INPUT VOLTAGE V
IN
(V)
Output Voltage vs J
unction Temperature
OUTPUT VOLTAGE V
O
(V)
I
O
=0mA
T
J
=25
℃
OUTPUT VOLTAGE V
O
(V)
Output Ch
aracteristics
I
O
=0
、
40
、
70
、
100mA
T
J
=25
℃
OUTPUT VOLTAGE V
O
(V)
Dropout Cha
racteristics
QUIESCENT CURRENT I
Q
(mA)
INPUT VOLTAGE V
IN
(V)
Quiescent Current v
s Input Voltage
I
O
=0mA
T
J
=25
℃
INPUT VOLTAGE V
IN
(V)
Curre nt Cut-o ff G
rid V oltage
OUTPUT VOLTAGE V
O
(V)
V
IN
=14V
T
J
=25℃
Pulsed
OUTPUT CURRENT I
O
(A)
Power De
rating Curve
POWER DISSIPATION P
D
(mW)
JUNCTION TEMPERATURE T
J
(
℃
)