LM79L12
Three-terminal negative voltage regulator
Maximum output
current
I
O:
0.1 A
Output voltage
V
O
: -12 V
Continuous total dissipation
P
D
: SOT-23-3L 0.35 W (T = 25
℃
)
a
SOT-89 0.5 W (T
a
= 25
℃
)
SOT-23-3L
1
SOT-89
3
2
1. GND 2. OUT
3. IN
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
l
T
OPR
T
STG
Value
-35
0~+125
-55~+150
Units
V
℃
℃
MIN
25℃
Output voltage
Vo
-14.5V≤V
l
≤-27V,
Io=1mA~40mA
Io=1mA~70mA
Load Regulation
ΔVo
Io=1mA~100mA
Io=1mA~40mA
-14.5V≤V
l
≤-27V
-16V≤V
l
≤-27V
-16V≤V
l
≤-27V
1mA≤I
O
≤40mA
10Hz≤f≤100KHz
-15V≤V
l
≤-25V,f=120Hz
3
LM79L12
Ci
0.33μF
1
C0
0.1μF
2
0-125℃
25℃
25℃
25℃
25℃
25℃
0-125℃
0-125℃
25℃
0-125℃
25℃
Vo
37
80
42
1.7
-11.5
-11.4
-11.4
TYP
-12
-12
-12
24
15
50
40
MAX
-12.5
-12.6
-12.6
100
50
250
200
6.5
1.5
0.1
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE
(Vi=19V,Io=40mA,Ci=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
ΔVo
Iq
ΔIq
ΔIq
V
N
RR
Vd
Vi
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
１
JinYu
semiconductor
www.htsemi.com
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