ZR431C01 datasheet(2/7 Pages) DIODES

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ZR431

ABSOLUTE MAXIMUM RATING

Cathode Voltage (VZ)

20V

Cathode Current

150mA

Operating Temperature

-40 to 85°C

Storage Temperature

-55 to 125°C

Recommended Operating Conditions

Min

Max

Cathode Voltage

Vref

20V

Cathode Current

µA 100mA

Power Dissipation (Tamb=25°C,Tjmax=150°C)

SOT23

330mW

TO92

780mW

SOT223

ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):Tamb=25°C

PARAMETER

SYMBOL

VALUE

UNITS CONDITIONS

MIN TYP

MAX

Reference Voltage

(1)0.5%

Vref

2.45

2.475

2.487

2.50

2.55

2.525

2.513

VIL=10mA (Fig1), VZ=Vref

Deviation of Reference Input

Voltage over Temperature

Vdev

8.0

IL=10mA, VZ=Vref

Ta=full range (Fig1)

Ratio of the change in

Reference Voltage to the

Change in Cathode

Voltage

∆V

ref

∆V

-1.85 -2.7

mV/V

VZ from Vref to 10V

IZ=10mA (Fig2)

-1.0

-2.0

mV/V

VZ from 10V to 20V

IZ=10mA (Fig2)

Reference Input Current

Iref

0.12 1.0

µA

R1=10k, R2=O/C, lL=10mA

(Fig2)

Deviation of Reference

Input Current over

Temperature

∆I

ref

0.04 0.2

µA

R1=10k, R2=O/C, IL=10mA

Ta=full range (Fig2)

Minimum Cathode

Current for Regulation

IZmin

µA

VZ=Vref (Fig1)

Off-state Current

IZoff

0.1

µA

VZ=20V, Vref =0V (Fig3)

Dynamic Output Impedance RZ

0.75

Ω

VZ=Vref (Fig1), f=0Hz

(1) 0.5% SOT23 only.

For definitions of reference voltage temperature coefficient and dynamic output impedance see

NOTES following DC TEST CIRCUITS

4-190

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