Diodes ZR431L - Manual (Page 5)

ZR431L
Issue 3 - April 2008 5 www.zetex.com
© Zetex Semiconductors plc 2008
Typical characteristics
Power dissipation (mW)
Ambient temperature (°C)
Power dissipation derating
350
300
250
200
150
100
50
-40 -25 -10 -5 20 35 50 65 80 95 110 125
Reference Current v Temperature
80
-40 -25 -10 5 20 35 50 65 80 95 110 125
90
100
110
120
130
140
Temperature (°C)
Reference Current (nA)
Minimum cathode current vs temperature
16
-40 -25 -10 5 20 35 50 65 80 95 110 125
18
20
22
24
26
Temperature (°C)
Minimum cathode current (µA)
Dynamic impedance vs frequency
0.1
0.1 1 10 100
1
10
100
Frequency (kHz)
Dynami
c
Impedance (
Ω)
V
REF
= V
KA I
K
= 1mA
I
K
= 10mA
Change in reference voltage vs Cathode voltage
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
0 1 8 6 4 2 0
Cathode voltage (V)
Change in reference voltage (mV)
Reference voltage vs Temperature
1.232
-42 -25 -10 5 20 35 50 65 80 95 110 125
1.234
1.236
1.238
1.24
1.242
1.244
Temperature (°C)
Ref
e
rence voltage (V)