AS431 データシートの表示（PDF） - BCD Semiconductor
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AS431 Datasheet PDF : 18 Pages
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Data Sheet
ADJUSTABLE PRECISION SHUNT REGULATORS
AS431
Electrical Characteristics
Operating Conditions: TA=25oC, unless otherwise specified.
Parameter
Reference Voltage
0.5%
1.0%
Test
Circuit
4
Deviation of Reference Voltage
Over Full Temperature Range
4
Ratio of Change in Reference
Voltage to the Change in
5
Cathode Voltage
Reference Current
5
Deviation of Reference Current
Over Full Temperature Range
5
Minimum Cathode Current for
Regulation
4
Symbol
Conditions
Min Typ Max Unit
VREF
ΔVREF
ΔVREF
ΔVKA
IREF
ΔIREF
IKA
(Min)
VKA=VREF, IKA=10mA
2.487 2.500 2.512
2.475 2.500 2.525
VKA=VREF
IKA= 10mA
IKA=10mA
0 to 70oC
-40 to 85oC
-40 to 125oC
ΔVKA=
10V to VREF
ΔVKA=
36V to 10V
4.5 8
4.5 10
4.5 16
-1.0 -2.7
-0.5 -2.0
IKA=10mA,R1=10KΩ, R2=∞
0.7 4
IKA=10mA, R1=10KΩ
R2=∞, TA=-40 to 125oC
0.4 1.2
VKA=VREF
0.4 1.0
V
mV
mV/V
μA
μA
mA
Off-state Cathode Current
6
IKA
(Off)
VKA=36V, VREF=0
0.05 1.0 μA
Dynamic Impedance
Thermal Resistance
4
ZKA
VKA=VREF, IKA=1 to 100mA,
f ≤ 1.0KHz
SOT-23
SOT-23-5
θJC
TO-92
SOT-89
0.15 0.5
135.9
135.9
81.9
29.8
Ω
oC/W
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
5
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