Diodes AS431 - Manual (Page 7)

AS431
Document number: DS36599 Rev. 3 - 2
7 of 19
www.diodes.com
October 2013
© Diodes Incorporated
AS431
A Product Line of
Diodes Incorporated
Performance Characteristics
Reference Voltage vs. Ambient Temperature Reference Current vs. Ambient Temperature
Cathode Current vs. Cathode Voltage Cathode Current vs. Cathode Voltage
Off-State Cathode Current Ratio of Delta Reference Voltage to the
vs. Ambient Temperature Ratio of Delta Cathode Voltage
-60 -40 -20 0 20 40 60 80 100 120 140
2.485
2.490
2.495
2.500
2.505
2.510
Ref
ere
nce Vol
ta
ge
(V
)
Ambient Temperature ( o C)
V
KA
= V
REF
I
KA
= 10mA
-60 -40 -20 0 20 40 60 80 100 120 140
0.0
0.5
1.0
1.5
R
1
=10K,R
2
=Infinite
I
KA
=10mA
Ref
erence Cu
rr
en
t (
A)
Ambient Temperature ( 0 C)
-2 -1 0 1 2 3
-100
-50
0
50
100
150
Cathode
Cu
rrent (m
A)
Cathode Voltage (V)
V
KA
=V
REF
T
A
=25 0 C
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
-200
0
200
400
600
800
Ca
th
o
de Curre
nt
(
A)
Cathode Voltage (V)
V
KA
=V
REF
T
A
=25 0 C
-40 -20 0 20 40 60 80 100 120
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
O
ff
-Stat
e
Cathod
e Cu
rr
e
nt
(
A)
Ambient Temperature ( o C)
V
KA
=36V
V
REF
=0
-40 -20 0 20 40 60 80 100 120
-1.4
-1.3
-1.2
-1.1
-1.0
-0.9
V
KA
=3.5V to 36V
V
RE
F
/
V
KA
(m
V/
V)
Ambient Temperature ( o C)