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
ABSOLUTE MAXIMUM RATINGS (Opera
ting temperature range applies 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
www.jxndcn.com
JXND ELECTRONICS CO.,LTD
Plastic Encapsulate Voltage R
egulators
78L08
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE (Vi=14V,Io=40mA,Ci=0.33uF,,Co=0.1uF, unless otherwise specified )
Output Characteristics
Dropout Characteristics
10
9.0
I
O
=0mA
T
J
=25
℃
9
T
J
=25
℃
8.5
8
8.0
7
7.5
6
5
7.0
4
6.5
I
O
=0
、
40
、
70
、
100mA
3
6.0
2
5.5
1
0 5.0
0 5 15 20 25 30 7 8 9 11 12 13 14
4.0
9
3.5
8
Pulsed
3.0
7
2.5
2.0
6
1.5
5
1.0
4
0.5
0.0 3
0 5 15 20 25 30 0.00 0.05 0.15 0.20 0.25
9.0
800
700
8.5
600
8.0
500
7.5
400
300
7.0
200
6.5
100
0 50 75 100 125 0 50 75 100 125
I
O
=0mA
T
J
=25℃
V
IN
=14V
T
J
=25℃
V
in
=14V
I
O
=5mA
6.0
-25
0
-25
10
INPUT VOLTAGE V
IN
(V)
Quiescent Current vs Input Voltage
10
INPUT VOLTAGE V
IN
(V)
Current Cut-off Grid Voltage
10
INPUT VOLTAGE V
IN
(V)
Output Voltage vs Junction Temperature
0.10
OUTPUT CURRENT I
O
(A)
Power Derating Curve
25
JUNCTION TEMPERATURE T
J
(℃)
25
JUNCTION TEMPERATURE T
J
(℃)
QUIESCENT CURRENT I
Q
(mA)
OUTPUT VOLTAGE V
O
(V)
OUTPUT VOLTAGE V
O
(V)
POWER DISSIPATION P
D
(mW)
OUTPUT VOLTAGE V
O
(V)
OUTPUT VOLTAGE V
O
(V)
www.jxndcn.com
JXND ELECTRONICS CO.,LTD
Plastic Encapsulate Voltage
Regulators
78L08
Typical Characteristics