ZR431LF02 ZETEX [Zetex Semiconductors], ZR431LF02 Datasheet - Page 2

• Manufacturer Part Number: ZR431LF02
• Description: ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
• Manufacturer: ZETEX [Zetex Semiconductors]

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
Deviation of reference input voltage, V
reference input voltage over the full temperature range.
PARAMETER
Reference Voltage 2.5%
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
Vmin
Vmax
ZR431L
T1
Vdev = Vmax - Vmin
Temperature
Z
)
1.0%
10V
50mA
-40 to 85°C
-55 to 125°C
Min
V
100 A 25mA
SYMBOL
V
V
I
I
I
R
ref
Zmin
Zoff
REF
I
ref
dev
V
Z
V
ref
ref
Z
T2
Max
10V
MIN
1.209
1.228
0.02
dev,
is defined as the maximum variation of the
VALUE
TYP
1.24
1.24
4.0
0.5
0.11
0.02
30
10
0.25
The average temperature coefficient of the
reference input voltage, V
V
The dynamic output impedance, Rz, is defined
as:
When the device is programmed with two
external resistors, R1 and R2, (fig 2) , the
dynamic output impedance of the overall
circuit, R’, is defined as:
ref
Power Dissipation (T
T
SOT23
TO92
ppm
MAX
1.271
1.252
8.0
2.0
0.4
0.2
100
30
2
jmax
=150°C)
° C
R
R
UNITS CONDITIONS
V
mV
mV/V V
’
Z
A
A
A
A
R
V
z
dev
V
1
V
ref
I
Z
Z
I
I
T
I
R1=10k, R2=O/C, l
R1=10k, R2=O/C, I
T
V
V
I
x 1000000
L
L
L
Z
R 1
R 2
a
a
Z
=10mA
Z
Z
=10mA (Fig1), V
=10mA, V
=10mA (Fig2)
=full range (Fig2)
T 1 T 2
=full range (Fig1)
=V
=10V, V
from V
ref
amb
(Fig1), f=0Hz,
ref
=25°C,
ref
ref
is defined as:
Z
=V
to 10V
L
=0V (Fig3)
=10mA (Fig2)
330mW
600mW
ref
amb
Z
L
=10mA
=V
=25°C
ref