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ZR2431C01 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # ZR2431C01
Description  ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

ZR2431C01 Datasheet(HTML) 2 Page - Diodes Incorporated

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ZR2431
ABSOLUTE MAXIMUM RATING
Cathode Voltage (VZ)
15V
Cathode Current
50mA
Operating Temperature
-40 to 85°C
Storage Temperature
-55 to 125°C
Recommended Operating Conditions
Min
Max
Cathode Voltage
VREF
15V
Cathode Current
100
µA 25mA
Power Dissipation (Tamb=25°C,
Tjmax=150°C)
SOT23
330mW
SOT223
2W
SO8
780mW
TO92
780mW
SOT89
1.5W
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated):Tamb=25°C
PARAMETER
SYMBOL
VALUE
UNITS CONDITIONS
MIN
TYP MAX
Reference Voltage
2.5%
1.0%
Vref
1.209
1.228
1.24
1.24
1.271
1.252
VIL=10mA (Fig1), VZ=Vref
Deviation of Reference Input
Voltage over Temperature
Vdev
4.0
8.0
mV
IL=10mA, VZ=Vref
Ta=full range (Fig1)
Ratio of the change in
Reference Voltage to the
Change in Cathode Voltage
∆Vref
∆VZ
0.5
2.0
mV/V
VZ from Vref to 10V
IZ=10mA (Fig2)
Reference Input Current
Iref
0.02
0.11 0.4
µA
R1=10k, R2=O/C, lL=10mA (Fig2)
Deviation of Reference Input
Current over Temperature
Iref
0.02 0.2
µA
R1=10k, R2=O/C, IL=10mA
Ta=full range (Fig2)
Minimum Cathode
Current for Regulation
IZmin
30
100
µA
Off-state Current
IZoff
10
30
µA
VZ=15V, Vref =0V (Fig3)
Dynamic Output Impedance RZ
0.25 2
VZ=Vref (Fig1), f=0Hz, IL=10mA
Deviation of reference input voltage, Vdev, is defined as the maximum variation of the
reference input voltage over the full temperature range.
The average temperature coefficient of the
reference input voltage, Vref is defined as:
Vref
(ppm
⁄ °C)=
Vdev x 1000000
Vref
(T1
T2)
The dynamic output impedance, Rz, is
defined as:
RZ
=
∆VZ
∆IZ
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:
R
=Rz (1+
R1
R2
)
† With a capacitance of greater than 100pF
between cathode and anode, minimum
cathode current must be 0.2mA.
Vmax
Vmin
T1
T2
Vdev = Vmax - Vmin
Temperature
4-155
Not Recommended for New Design
Please Use ZR431LF01 /02


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