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ZH431C01 bảng dữ liệu(PDF) 2 Page - Diodes Incorporated

tên linh kiện ZH431C01
Giải thích chi tiết về linh kiện  ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
PDF  7 Pages
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nhà sản xuất  DIODES [Diodes Incorporated]
Trang chủ  http://www.diodes.com
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ZH431C01 bảng dữ liệu(HTML) 2 Page - Diodes Incorporated

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ZH431
ABSOLUTE MAXIMUM RATING
Cathode Voltage (VZ)
40V
Cathode Current
50mA
Operating Temperature
-40 to 85°C
Storage Temperature
-55 to 125°C
Recommended Operating Conditions
Min
Max
Cathode Voltage
Vref
36V
Cathode Current
50
µA 30mA
Power Dissipation (Tamb=25°C, Tjmax=150°C)
SOT23
330mW
TO92
780mW
SOT223
2W
SO8
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%
1%
Vref
2.45
2.475
2.50
2.50
2.55
2.525
VIL=10mA (Fig1), VZ=Vref
Deviation of Reference
Input Voltage over
Temperature
Vdev
8.0
17
mV
IL=10mA, VZ=Vref
Ta=full range (Fig1)
Ratio of the change in
Reference Voltage to the
Change in Cathode
Voltage
∆Vref
∆VZ
-0.7
-2.7
mV/V
VZ from Vref to 10V
IZ=10mA (Fig2)
-0.6
-2.0
mV/V
VZ from 10V to 36V
IZ=10mA (Fig2)
Reference Input Current
Iref
0.15 1.0
µA
R1=10k, R2=O/C, lL=10mA (Fig2)
Deviation of Reference
Input Current over
Temperature
∆Iref
0.06 0.2
µA
R1=10k, R2=O/C, IL=10mA
Ta=full range (Fig2)
Minimum Cathode
Current for Regulation
IZmin
21
50
µA
VZ=Vref (Fig1)
Dynamic Output Impedance RZ
0.75
Ω
VZ=Vref (Fig1), f=0Hz
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
)
Vmax
Vmin
T1
T2
Vdev = Vmax - Vmin
Temperature
4-16
Not Recommended for New Design
Please Use ZR431



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