78L08 Datasheet, PDF (1/2 Pages) Wing Shing Computer Components – Positive-Voltage Regulators

1. OUT
2. GND
3. IN
78L08
Three-terminal positive voltage regulator
TO-92
Features
— Maximum Output current
I_OM:
—
Output voltage
0.1 A
V_o:
8V
— _{Continuous total dissipation}
P_D: 0. 625W
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Units
Input Voltage
V_l
30
V
Operating Junction Temperature Range
T_OPR
-40~+125
℃
Storage Temperature Range
T_STG
-65~+150
℃
ELECTRICAL CHARACTERISTICS (Vi=14V, Io=40mA,C_i=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN TYP MAX
UNIT
Output voltage
25℃
7.7
8.0
8.3
V
Vo
10.5V≤V _l≤23V, Io=1mA~40mA
7.6
8.0
8.4
V
Io=1mA~70mA
0-125℃ _7.6
8.0
8.4
V
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
Io=1mA~100mA
ΔVo
Io=1mA~40mA
10.5V≤V _l≤23V
ΔVo
11V≤V _l≤23V
Iq
ΔIq 11V≤V _l≤23V
ΔIq 1mA≤I _O≤40mA
V_N
10Hz≤f≤100KHz
RR 13V≤V _l≤23V,f=120Hz
Vd
Vi
3
1
25℃
25℃
18
80
mV
10
40
mV
25℃
42
175
mV
25℃
36
125
mV
25℃
4
6
mA
0-125℃
1.5
mA
0-125℃
0.1
mA
25℃
54
uV
0-125℃ ³⁷
46
dB
25℃
1.7
V
Vo
78L08
Ci
2
0.33μF
C₀
0.1μF
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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