zr431l Zetex Semiconductors plc., zr431l Datasheet - Page 4

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

Electrical characteristics (at T
DC Test circuits
Fig 1 - Test Circuit for V
Issue 3 - April 2008
© Zetex Semiconductors plc 2008
Parameter
Reference Voltage
Deviation of Reference
Input Voltage over
Temperature
Ratio of the change in
Reference Voltage to the
change in Cathode
Voltage)
Reference Input Current
Deviation of Reference
Input Current over
Temperature
Minimum Cathode
Current for Regulation
Off-state Current
Dynamic Output
Impedance
2.5%
1.0%
Z
= V
ref
Symbol
V
V
V
I
I
I
R
Δ
ref
Zmin
Zoff
Δ
ref
ref
dev
I
Z
V
V
ref
ref
Z
Fig 2 - Test Circuit for V
amb
1.209
1.228
Min.
0.02
= 25°C unless otherwise stated)
4
Typ.
1.24
1.24
0.11
0.02
0.25
4.0
0.5
30
10
Z
1.271
1.252
Max.
100
8.0
2.0
0.4
0.2
> V
30
2
ref
mV/V V
Fig 3 - Test Circuit for Off State
current
Unit
mV
V
V
Ω
A
A
A
A
Conditions
I
I
T
I
R1 = 10k, R2 = O/C,
l
R1 = 10k, R2 = O/C,
I
range (Fig2)
V
(Fig3)
V
I
L
Z
L
L
L
L
a
Z
Z
Z
= 10mA (Fig1), V
= 10mA (Fig2)
= 10mA, V
= 10mA (fig2)
= 10mA T
= 10mA
= full range (Fig 1)
from V
= 10V, V
= V
ref
www.zetex.com
(Fig1), f = 0Hz,
ref
ref
ZR431L
to 10V
a
Z
= full
= 0V
= V
Z
ref
= V
ref