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KA431AZBU View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
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KA431AZBU
Fairchild
Fairchild Semiconductor Fairchild
KA431AZBU Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
Electrical Characteristics
Values are at TA = 25°C unless otherwise noted.
Symbol Parameter
Conditions
KA431
KA431A
KA431L
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
VREF
Reference VKA = VREF,
Input Voltage IKA = 10 mA
2.450 2.500 2.550 2.470 2.495 2.520 2.482 2.495 2.508 V
Deviation of
ΔVREF/
ΔT
Reference
Input Voltage
Over-
Temperature
VKA = VREF,
IKA =10 mA
TMIN TA TMAX(1)
4.5 17.0
4.5 17.0
4.5 17.0 mV
ΔVREF/
ΔVKA
Ratio of
Change in
Reference
Input Voltage
to the
Change in
Cathode
Voltage
IKA =
10 mA
ΔVKA =
10V-VREF
ΔVKA =
36 V-10 V
-1.0 - 2.7
-0.5 -2.0
-1.0 - 2.7
-0.5 -2.0
-1.0 -2.7
mV / V
-0.5 -2.0
IREF
Reference IKA = 10 mA,
Input Current R1 =10 kΩ, R2 =
1.5 4.0
1.5 4.0
1.5 4.0 μA
ΔIREF/ ΔT
Deviation of
Reference
Input Current
Over Full
Temperature
Range
IKA = 10 mA,
R1 = 10 kΩ, R2 =
TA = Full Range
0.4 1.2
0.4 1.2
0.4 1.2 μA
IKA(MIN)
Minimum
Cathode
Current for
Regulation
VKA = VREF
0.45 1.00
0.45 1.00
0.45 1.00 mA
IKA(OFF)
Off - Stage
Cathode
Current
VKA = 36 V,
VREF = 0
0.05 1.00
0.05 1.00
0.05 1.00 μA
ZKA
Dynamic
Impedance
VKA = VREF,
IKA =1 to 100 mA
f 1.0 kHz
0.15 0.50
0.15 0.50
0.15 0.50 Ω
Note:
1. TMIN = -25°C, TMAX = +85°C.
© 2004 Fairchild Semiconductor Corporation
KA431 / KA431A / KA431L Rev. 1.2.1
3
www.fairchildsemi.com
 

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