Electrical characteristics, As431, A product line of diodes incorporated – Diodes AS431 User Manual
Page 5
AS431
Document number: DS36599 Rev.
3 - 2
5 of 19
October 2013
© Diodes Incorporated
AS431
A Product Line of
Diodes Incorporated
Electrical Characteristics
(Operating Conditions: T
A
= +25°C, unless otherwise specified.)
Symbol Parameter
Test
Circuit
Conditions Min
Typ
Max
Unit
V
REF
Reference Voltage
0.5%
4
V
KA
= V
REF
, I
KA
= 10mA
2.487 2.500 2.512
V
1.0%
2.475 2.500 2.525
∆V
REF
Deviation of Reference Voltage
Over Full Temperature Range
4
V
KA
= V
REF
,
I
KA
= 10mA
0 to +70°C
–
4.5
8
mV
-40 to +85°C
–
4.5
10
-40 to +125°C
–
4.5
16
∆V
REF
∆V
KA
Ratio of Change in Reference
Voltage to the Change in Cathode
Voltage
5
I
KA
= 10mA
∆V
KA
= 10V to V
REF
– -1.0
-2.7
mV/V
∆V
KA
= 36V to 10V
– -0.5
-2.0
I
REF
Reference Current
5
I
KA
= 10mA, R1 = 10KΩ, R2 =
∞
–
0.7 4 µA
∆I
REF
Deviation of Reference Current
Over Full Temperature Range
5
I
KA
= 10mA, R1 = 10KΩ, R2 =
∞
,
T
A
= -40 to +125°C
–
0.4 1.2 µA
I
KA
(Min)
Minimum Cathode Current for
Regulation
4
V
KA
= V
REF
–
0.4 1.0 mA
I
KA
(Off)
Off-state Cathode Current
6
V
KA
= 36V, V
REF
= 0
–
0.05 1.0 µA
Z
KA
Dynamic Impedance
4
V
KA
= V
REF
, I
KA
= 1 to 100mA,
f ≤ 1.0KHz
–
0.15 0.5 Ω
θ
JC
Thermal Resistance
–
SOT-23
–
135.9
–
°C/W
SOT-23-5
–
135.9
–
TO-92
–
81.9
–
SOT-89
–
29.8
–