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डेटा पत्रक - ADJUSTABLE PRECISION ZENER SHUNT REGULATOR - Diodes

भाग संख्या ZR431
समारोह ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
मैन्युफैक्चरर्स Diodes 
लोगो Diodes लोगो 
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ZR431 pdf
ZR431
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
Absolute Maximum Ratings (Note 2)
Symbol
Parameter
Rating
Unit
VZ Cathode Voltage
IZ Cathode Current
TA Operating Temperature
TST Storage Temperature
SOT23
PD
Power Dissipation (Notes 3, 4)
SOT223
20
150
-40 to +85
-55 to +125
330
2
V
mA
°C
°C
mW
W
Notes:
2. Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for extended periods, may
reduce device reliability. Unless otherwise stated voltages specified are relative to the ANODE pin.
3. TJ, max =150°C.
4. Ratings apply to ambient temperature at 25°C.
Recommended Operating Conditions (TA = 25°C)
Symbol
VZ
IZ
Cathode Voltage
Cathode Current
Parameter
Min
VREF
0.05
Max
20
100
Unit
V
mA
Electrical Characteristics (TA = 25°C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Reference voltage (Note 5) 2%
2.45
VREF
1 % IL = 10mA (Fig 1), VZ = VREF
0.5%
2.475
2.487
VDEV
ΔVREF
ΔVZ
IREF
ΔIREF
IZ(MIN)
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
IL = 10mA, VZ = VREF
TA = Full range (Fig 1)
VZ from VREF to 10V
IZ = 10mA (fig 2)
VZ from 10V to 20V
IZ = 10mA (Fig 2)
R1 = 10k, R2 = O/C, IL = 10mA (Fig 2)
R1 = 10k, R2 = O/C, IL = 10mA
TA = Full range (Fig 2)
VZ = VREF (Fig 1)
IZ(OFF) Off-state current
RZ Dynamic output impedance
VZ = 20V, VREF = 0V (Fig 3)
VZ = VREF (Fig 1), f = 0Hz
Note 5: 0.5% and 1% SOT23 only
Typ.
2.50
2.50
2.50
8.0
-1.85
-1.0
0.12
0.04
35
For definitions of reference voltage temperature coefficient and dynamic output impedance see NOTES following DC TEST CIRCUITS
Max
2.55
2.525
2.513
17
-2.7
-2.0
1.0
0.2
50
0.1
0.75
Unit
V
mV
mV/V
μA
μA
µA
μA
ZR431
Document number: DS33255 Rev. 6 - 2
2 of 9
www.diodes.com
October 2011
© Diodes Incorporated

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