spx431lam1-tr Exar Corporation, spx431lam1-tr Datasheet - Page 6

• Manufacturer Part Number: spx431lam1-tr
• Description: Precision Adjustable Shunt Regulator
• Manufacturer: Exar Corporation

Figure 15. Test Circuit for Pulse Response
Figure 19. Off State Leakage
Date: 5/25/04
Figure 17. Test Circuit for Stability
f
0.01
p = 100kHz
100
0.1
10
1
-50
V
150 Ω
IN
V
V
T
KA
REF
0
A
Ambient Temperature (°C)
= 20V
I
= 0V
K
50Ω
250Ω
50
10kΩ
R
SPX431L Precision Adjustable Shunt Regulator
100
I
K
V
GND
150
OUT
TYPICAL PERFORMANCE CHARACTERISTICS
C
L
6
Figure 18. Dynamic Output Impedance T
I
Figure 20. Shunt Regulator V
Figure 16. Stability Boundry Conditions
K
= 1 to 100mA
V
IN
100
90
80
70
60
50
40
30
20
10
0
10
0.01
100
1.0
0.1
10
A: V
B: V
C: V
D: V
0
1K
KA
KA
KA
KA
10
= 5V at I
=10V at I
=15V at I
= V
T
A = 25°C
1
R3
REF
C
I
K
L
= 1 to 100mA
10
T
K
A
K
K
Load Capacitance (pF)
=10mA
F Frecuency (Hz)
STABLE
10K
0.1%
=10mA
=10mA
0.1%
2
V
= 25°C
REF
R1
R2
10
© Copyright 2004 Sipex Corporation5
3
B
A
100K
OUT
10
4
= (1+R1/R2)V
10
5
D
C
1M
10
A
SPX431L
STABLE
6
= 25°C,
V
OUT
10
REF
7
10M