LL431(2018) Просмотр технического описания (PDF) - Unisonic Technologies
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LL431 Datasheet PDF : 5 Pages
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LL431
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Cathode Voltage
VKA
37
V
Cathode Current Range(Continuous)
IKA
Reference Input Current
IREF
-100 ~ +150
mA
-0.05 ~ +10
mA
SOT-89
500
mW
Power Dissipation
SOT-23-3/SOT-23
SOT-25
PD
300
mW
SOP-8
600
mW
TO-92
770
mW
Junction Temperature
Operating Temperature
TJ
TOPR
+150
C
-40 ~ +85
C
Storage Temperature
TSTG
-65 ~ +150
C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Cathode Voltage
Cathode Current
SYMBOL
VKA
IKA
RATINGS
VREF ~ 36
1 ~ 100
ELECTRICAL CHARACTERISTICS (TC= 25℃, unless otherwise specified.)
UNIT
V
mA
PARAMETER
SYMBOL
TEST CONDITIONS
LL431-A
Reference Input Voltage
VREF
VKA=VREF,IKA=10mA
LL431-1
LL431-2
LL431-3
Deviation of reference Input Voltage
Over temperature
VREF/T
VKA=VREF,IKA=10mA
0C≦TA≦70C
Ratio of
Voltage
Change in Reference Input
to the Change in Cathode Voltage
VREF/VKA
IKA=10mA
VKA=10V~VREF
VKA=36V~10V
Reference Input Current
IREF IKA=10mA, R1=10k, R2=
Deviation of Reference Input Current Over
Full Temperature Range
Minimum Cathode Current for Regulation
IREF/T
IKA(MIN)
IKA=10mA, R1=10k, R2=
TA =full Temperature
VKA=VREF
Off-State Cathode Current
Dynamic Impedance
IKA(OFF)
ZKA
VKA=36V, VREF=0
VKA=VREF, IKA=1 to 100mA
f1.0kHz
MIN TYP MAX UNIT
2.483 2.495 2.507 V
2.470 2.495 2.520 V
2.520 - 2.545 V
2.445 - 2.470 V
4.5 17 mV
-1.0
-0.5
-2.7
-2.0
mV/V
1.5 4 μA
0.4 1.2 μA
100 μA
0.05 1.0 μA
0.5
Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R121-020.I
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