Spec. No. : C504N3
Issued Date : 2003.03.21
Revised Date : 2005.10.07
Page No. : 6/9
CYStech Electronics Corp.
Reference Impedance vs Frequency
Reference Impedance vs Junction Temperature
100
10
1
0.5
0.45
0.4
TA=25℃
Iz=0.1 to 100mA
REF
Vz=V
f<1kHz
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
0.1
1000
10000
100000
1000000
-50 -25
0
25 50
75 100 125 150
Frequency---f(Hz)
Junction Temperature---TJ(℃)
Small-Signal Phase Shift vs Frequency
Small-Signal Gain vs Frequency
-180
70
60
50
40
30
20
10
0
-225
-270
-315
-360
-10
-20
100
1000
10000
100000
1000000
100
1000
10000
100000
1000000
Frequency---f(Hz)
Frequency---f(Hz)
Stability Boundary Condition For Shunt Regulation
vs Cathode Current and Load Capacitance
3.5
3
TA=25℃
Stable
Stable
2.5
2
1.5
1
Vz=VREF
Vz=2V
1
0.5
0
0.001
0.01
0.1
10
Load Capacitance---CL(μF)
Test Circuit-Small-Signal Gain and Phase
Test Circuit-Stability
LM432XA3/N3
CYStek Product Specification