zr431l Zetex Semiconductors plc., zr431l Datasheet - Page 5

• Manufacturer Part Number: zr431l
• Description: Zr431l - Adjustable Precision Shunt Regulator
• Manufacturer: Zetex Semiconductors plc.

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