Data Sheet
ADJUSTABLE PRECISION SHUNT REGULATORS
AZ431-B
Typical Performance Characteristics (Continued)
Output
IKA=10mA
TA=25oC
1K
10
IKA
50
1
GND
0.1
1K
10K
100K
1,000K
Frequency (Hz)
Figure 15. Reference Impedance vs. Frequency
20
18
16
14
12
10
8
VKA=10V:No oscillation
VKA=15V:No oscillation
150
R1 (10K)
IKA
Stable
Stable
6
VKA=VREF
VKA=5V
R2
4
2
0
0.01
0.1
1
10
Load Capacitance (µF)
Figure 16. Stability Boundary Conditions vs. Load Capacitance
Mar. 2007 Rev. 2. 4
BCD Semiconductor Manufacturing Limited
9