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RC431A
PRODUCT SPECIFICATION
4
Parameter Measurement Information
Figure 1. Test Circuit for
V
KA
= V
REF
, V
OUT
= V
KA
= V
REF
Figure 2. Test Circuit for
V
KA
> V
REF
, V
OUT
= V
KA
= V
REF
x (1+R1/R2) + I
REF
x R1
Figure 3. Test Circuit for I
OFF
Figure 4. Reference Voltage vs. Junction Temp.
Figure 5. Reference Input Current vs. Junction Temp.
Figure 6. Cathode Current vs. Cathode Voltage
Figure 7. Cathode Current vs. Cathode Voltage
V
OUT
V
65-431A-05
IN
V
ref
I
K
V
OUT
V
IN
V
ref
I
K
R1
R2
I
ref
65-431A-06
V
OUT
V
IN
I
OFF
65-431A-07
1.250
1.246
1.242
1.238
1.230
–20
–40
20
0
40
60
80
100
Tj—Junction Temp. (
C)
lk = 10 mA
V
250
200
150
100
50
–40
–20
0
20
40
60
80
100
Tj—Junction Temp. (
C)
lk = 10 mA, R1 = 10 k
, R2 = infinite
I
15
10
5
0
–5
–10
–15
–0.5
-1
0
0.5
1
1.5
V
KA
–Cathode Voltage (V)
V
KA
= Vref, T = 25
C
l
150
120
90
60
30
0
–30
–60
–90
–120
–150
–0.5
–1
0
0.5
1
1.5
V
KA
–Cathode Voltage (V)
V
KA
= Vref, T = 25
C
l
μ
A