AMS431L
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Small Signal Gain and Phase Shift
vs. Frequency
Small Signal Gain and Phase Shift
Test Circuit
80
70
60
-180
-225
OUT
IZ
-270
15k
232
10mF
50
40
30
20
10
-315
-360
+
-
8.25k
GND
0
-10
-20
100
1k
10k
100k
1000k
FREQUENCY (Hz)
Stability Boundary Condition
Stability Circuit
3.5
3.0
2.5
2.0
1.5
TA =25° C
IZ
Stable
Stable
R1
+
-
CL
R2
VZ = VREF
1.0
0.5
0.0
VZ = 2V
0.001
0.01
0.1
1
10
LOAD CAPACITANCE ( mF)
5
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