LL431 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
-100 ~ +150
mA
Reference Input Current
IREF
-0.05 ~ +10
mA
Power Dissipation
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature
PD
300
mW
TJ
+150
°C
TOPR
-40 ~ +85
°C
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
SYMBOL MIN TYP
Cathode Voltage
Cathode Current
VKA
IKA
VREF
1
ELECTRICAL CHARACTERISTICS (TC= 25℃, unless otherwise specified.)
MAX
36
100
UNIT
V
mA
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Reference Input Voltage
VREF VKA=VREF,IKA=10mA ±0.5% 2.483 2.495 2.507 V
Deviation of reference Input Voltage Over
temperature
ΔVREF/ΔT
VKA=VREF,IKA=10mA
0°C≦Ta≦70°C
4.5 17 mV
Ratio of
Voltage to
Change in Reference Input
the Change in Cathode Voltage
ΔVREF/ΔVKA
IKA=10mA
ΔVKA=10V~VREF
ΔVKA=36V~10V
-1.0 -2.7 mV/V
-0.5 -2.0
Reference Input Current
IREF IKA=10mA, R1=10kΩ, R2=∞
1.5 4 μA
Deviation of Reference Input Current Over
Full Temperature Range
ΔIREF/ΔT
IKA=10mA, R1=10kΩ, R2=∞
Ta =full Temperature
0.4 1.2 μA
Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF
0.15 mA
Off-State Cathode Current
IKA(OFF) VKA=36V, VREF=0
0.05 1.0 μA
Dynamic Impedance
ZKA
VKA=VREF, IKA=1 to 100mA
f≤1.0kHz
0.15 0.5 Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R121-020,B
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