ZTLV431 Datasheet, PDF (4/8 Pages) Zetex Semiconductors – 1.24V Cost effective shunt regulator

Typical characteristics
140
130
120
110
100
90
80
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Reference Current v Temperature
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
0
2
4
6
8
10
Cathode voltage (V)
Change in reference voltage vs Cathode voltage
26
24
22
20
18
16
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Minimum cathode current vs temperature
100
V_REF = V_KA
10
1
I_K = 1mA
I_K = 10mA
0.1
0.1
1
10
100
Frequency (kHz)
Dynamic impedance vs frequency
1.244
1.242
1.24
1.238
1.236
1.234
1.232
-42 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Reference voltage vs Temperature
350
300
250
200
150
100
50
-40 -25 -10
-5 20 35 50 65 80 95 110 125
Ambient temperature (°C)
Power dissipation derating
Issue 7 - April 2008
4
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