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KA431ZTF 查看數據表(PDF) - Fairchild Semiconductor

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KA431ZTF Programmable Shunt Regulator Fairchild
Fairchild Semiconductor Fairchild
KA431ZTF Datasheet PDF : 12 Pages
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KA431/KA431A/KA431L
Electrical Characteristics
(TA = +25°C, unless otherwise specified)
Parameter Symbol
Conditions
KA431
KA431A
KA431L
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Reference Input
Voltage
VREF
VKA=VREF,
IKA=10mA
2.450 2.500 2.550 2.470 2.495 2.520 2.482 2.495 2.508 V
Deviation of
Reference
Input Voltage
Over-
Temperature
ΔVREF/
ΔT
VKA=VREF,
IKA=10mA
TMINTATMAX
- 4.5 17
- 4.5 17
- 4.5 17 mV
Ratio of Change
in Reference
ΔVKA=10
V-VREF
-
-1.0 - 2.7
-
-1.0 - 2.7 -
-1.0 -2.7
Input Voltage ΔVREF/ IKA
to the Change in ΔVKA
Cathode
=10mA ΔVKA=36
V-10V
-
-0.5 -2.0
- -0.5 -2.0
-
mV/V
-0.5 -2.0
Voltage
Reference Input
Current
IREF
IKA=10mA,
R1=10kΩ,R2=
- 1.5 4
- 1.5 4
- 1.5 4 μA
Deviation of
Reference
Input Current
Over Full
Temperature
Range
IKA=10mA,
ΔIREF/ΔT
R1=10kΩ,R2=
TA =Full Range
-
0.4 1.2
-
0.4 1.2
-
0.4 1.2 μA
Minimum
Cathode Cur-
rent for
Regulation
IKA(MIN) VKA=VREF
- 0.45 1.0 - 0.45 1.0 - 0.45 1.0 mA
Off - Stage
Cathode
Current
IKA(OFF)
VKA=36V,
VREF=0
- 0.05 1.0 - 0.05 1.0 - 0.05 1.0 μA
Dynamic
Impedance
VKA=VREF,
ZKA IKA=1 to 100mA
f 1.0kHz
- 0.15 0.5 - 0.15 0.5 - 0.15 0.5 Ω
• TMIN = -25°C, TMAX = +85°C
3
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