WT431LT1 Просмотр технического описания (PDF) - Weitron Technology
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WT431LT1 Datasheet PDF : 5 Pages
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WT431LT1
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
PARAMETER
Cathode Voltage
SYMBOL
VKA
VALUE
36
UNIT
V
Cathode Current Range(Continuous)
IKA
-100 ~ +150
mA
Reference Input Current Range
Iref
-0.05 ~ +10
mA
Operating Junction Temperature
Tj
150
°C
Operating Ambient Temperature
Topr
0~70
°C
Storage Temperature
Tstg
-65 ~ +150
°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
Min
Typ
Max
UNIT
Cathode Voltage
Cathode Current
VKA
VREF
-
36
V
IKA
1
-
100
mA
ELECTRICAL CHARACTERISTICS(TA=25˚C unless otherwise specified)
PARAMETER
SYMBOL TEST CONDITIONS
Min Typ Max UNIT
Reference Input Voltage
Vref
VKA=VREF, IKA=10mA
- 2.50 -
V
Deviation of reference Input Voltage
Over temperature
ΔVref /ΔT
VKA=VREF, IKA=10mA
TMIN<=TA<=TMAX
-
Ratio of Change in Reference Input
Voltage to the change in Cathode Voltage
ΔVref /ΔVKA
IKA=10mA
ΔVKA=10V~VREF
ΔVKA=36V~10V
-
Reference Input Current
Iref
IKA=10mA, R1=10kΩ ∞ -
4.5 17 mV
-1.0
-0.5
-2.7
-2.0
mV/V
1.5 4 µA
Deviation of reference Input Current
Over Full temperature range
ΔIref /ΔT
IKA=10mA, R1=10kΩ
TA=full temperature
∞-
0.4 1.2 µA
Minimum Cathode current for Regulation IKA(min) VKA=VREF
- 0.45 1.0 mA
Off-State Cathode current
Dynamic Impedance
IKA(OFF) VKA=36V, VREF=0
- 0.05 1.0 µA
ZKA
VKA=VREF=0, IKA=1 to 100mA
<=
-
0.15 0.5
Ω
CLASSIFICATION OF Vref AND & MARKING
PARAMETER
Rank
WT431RA
0.5%
WT431RB
1%
WT431LA
0.5%
WT431LB
1%
Range(V)
2.487~2.512
2.475~2.525
2.487~2.512
2.475~2.525
Marking
RA
RB
LA
LB
WEITRON
3/5
http://www.weitron.com.tw
03-Nov-06
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