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WSL432
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VKA
Cathode voltage
7
V
IK
Continuous cathode current range
30
mA
Iref
Reference current range
3
mA
TA
Ambient temperature range
0 to 85
˚C
TJ
Junction temperature range
0 to 125
˚C
TSTG
Storage Temperature Range
-65 to 150
˚C
TSO
Lead temperature range, Ts (Soldering,
10sec)
260
˚C
Electrical Characteristics
TA= 25˚C (unless otherwise noted)
WSL432
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
WSL432 (1%)
1.228
1.24
1.252
V
Vref
VKA=Vref, IK=10mA.
WSL432 (1.5%)
1.222
1.24
1.258
V
∆Vref/T
Reference Voltage Drift over
Temp. range
TA=0 to 85°C*1 , I k =10mA.
4
20
mV
∆Vref /∆VKA Voltage Ration
(open loop gain)
IK=10 mA, VKA=Vref to 6V*2
0.8
2.7
mV/
V
Iref
Reference Current
IK=10mA,
R1=10KΩ, R2=open*2
0.15
0.5
µA
Iref(dev)
Iref deviation
IK=10mA,
R1=10KΩ, R2=open*2
0.1
0.4
uA
∆Iref/T
Reference Current Drift
IK=10 mA,
R1=10KΩ, R2=open, TA=0 to
85°C*2
0.4
1.2
µA
IK(min)
Min. Cathode Current
VKA=Vref*1
42
80
uA
IK(off)
Off-state Cathode Current
VKA=6V, Vref=0V*3
0.001
0.1
µA
zKA
Dynamic Impedance
VKA=Vref, IK=0.1 mA to
20mA, f=1k Hz*1
0.1
0.4
Ω
Notes:
*1
: use Figure 1
*2
: use Figure 2
*3
: use Figure 3
Winson reserves the right to make changes to improve reliability or manufacturability.
©Winson, Jan. 2000 (Rev. A)
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