Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright © 2000
Rev. 1.3, 2005-02-24
WWW.Microsemi .COM
LX432
Low Voltage Adjustable Precision Shunt
Regulator
TM
®
CHARACTERISTIC CURVES
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-50 0 25 50 75 100 125
T
J
: Junction Temperature (°C)
Dynamic Impedance (ohm)
0
20
40
60
80
100
120
-50 0 25 50 75 100 125
T
J
: Junction Temperature (°C)
Minimum Cathode Current (µA)
Figure 7 – Dynamic Impedance vs. Junction Temperature Figure 8 – Minimum Cathode Current for Regulation vs.
Junction Temperature
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
-50 0 25 70 85 125
T
J
: Junction Temperature (°C)
Off-State Current (µA)
0
50
100
150
200
250
300
350
10 100 1K 10K 100K
Frequency (Hz)
Noise Voltage (nV/sqrt(Hz))
Figure 9 – Off-State Current vs. Junction Temperature Figure 10 – Equivalent Input Noise Voltage vs. Frequency
C
C
H
H
A
A
R
R
A
A
C
C
T
T
E
E
R
R
I
I
S
S
T
T
I
I
C
C
S
S
