rc0431a Fairchild Semiconductor, rc0431a Datasheet - Page 4

• Manufacturer Part Number: rc0431a
• Description: Low-voltage Adjustable Precision Shunt Regulator
• Manufacturer: Fairchild Semiconductor

RC0431A (RC431A)
Parameter Measurement Information
4
1.250
1.246
1.242
1.238
1.230
Figure 4. Reference Voltage vs. Junction Temp.
Figure 6. Cathode Current vs. Cathode Voltage
–10
–15
15
10
–5
5
0
–40
-1
V
lk = 10 mA
KA
V
–20
KA
V
= Vref, T = 25°C
IN
Figure 1. Test Circuit for
–0.5
= V
Tj—Junction Temp. (°C)
0
V
REF
V
KA
ref
–Cathode Voltage (V)
, V
20
OUT
0
40
= V
I
K
KA
V
0.5
OUT
65-431A-05
60
= V
REF
80
Figure 3. Test Circuit for I
1
V
IN
100
1.5
250
200
150
100
V
50
KA
–40
Figure 5. Reference Input Current vs. Junction Temp.
I
OFF
lk = 10 mA, R1 = 10 kΩ, R2 = infinite
> V
65-431A-07
Figure 7. Cathode Current vs. Cathode Voltage
V
–120
–150
OUT
150
120
–30
–60
–90
REF
90
60
30
–20
OFF
0
–1
, V
V
KA
OUT
V
Figure 2. Test Circuit for
= Vref, T = 25°C
IN
0
R2
–0.5
R1
Tj—Junction Temp. (°C)
= V
KA
V
KA
20
I
ref
V
= V
ref
–Cathode Voltage (V)
0
REF
40
x (1+R1/R2) + I
PRODUCT SPECIFICATION
0.5
I
K
65-431A-06
V
60
OUT
REV. 1.0.7 8/5/03
1
80
REF
1.5
x R1
100