zr431 Zetex Semiconductors plc., zr431 Datasheet - Page 2

• Manufacturer Part Number: zr431
• Description: Zr431 - Adjustable Precision Zener Shunt Regulator
• Manufacturer: Zetex Semiconductors plc.

ABSOLUTE MAXIMUM RATING
Cathode Voltage (V
Cathode Current
Operating Temperature
Storage Temperature
Recommended Operating Conditions
Cathode Voltage
Cathode Current
ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):T
(1)
For definitions of reference voltage temperature coefficient and dynamic output impedance see
NOTES following DC TEST CIRCUITS
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 R
0.5% SOT23 only.
ZR431
Z
)
(1)
0.5%
2%
1%
20V
150mA
-40 to 85°C
-55 to 125°C
Min
Vref
50 A 100mA
SYMBOL
V
V
I
I
I
ref
Zmin
Zoff
I
ref
dev
V
Z
V
ref
ref
Z
Max
20V
MIN TYP MAX
2.45
2.475
2.487
2.50
2.50
2.50
8.0
-1.85 -2.7
-1.0
0.12 1.0
0.04 0.2
35
4-190
VALUE
78
2.55
2.525
2.513
17
-2.0
50
0.1
0.75
Power Dissipation (T
SOT23
TO92
SOT223
UNITS CONDITIONS
V
mV
mV/V
mV/V
A
A
A
A
I
I
T
V
I
V
I
R1=10k, R2=O/C, l
(Fig2)
R1=10k, R2=O/C, I
T
V
V
V
L
L
Z
Z
a
a
Z
Z
Z
Z
Z
=10mA (Fig1), V
=10mA, V
=10mA (Fig2)
=10mA (Fig2)
=full range (Fig1)
=full range (Fig2)
=V
=20V, V
=V
from V
from 10V to 20V
ref
ref
amb
(Fig1)
(Fig1), f=0Hz
ref
ref
=25°C,T
Z
=V
to 10V
=0V (Fig3)
330mW
780mW
2W
ref
L
=10mA
amb
Z
jmax
L
=V
=10mA
=25°C
ref
=150°C)