ZR431F01 Просмотр технического описания (PDF) - Zetex => Diodes

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производитель

ZR431F01

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

Zetex => Diodes 

ZR431

ABSOLUTE MAXIMUM RATING

Cathode Voltage (VZ)

Cathode Current

20V

150mA

Operating Temperature

Storage Temperature

-40 to 85°C

-55 to 125°C

Recommended Operating Conditions

Cathode Voltage

Cathode Current

Min Max

Vref 20V

50
A 100mA

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

SOT23

330mW

TO92

780mW

SOT223

2W

SO8

780mW

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

PARAMETER

VALUE

SYMBOL

MIN

TYP

MAX UNITS

CONDITIONS

Reference Voltage

2% Vref

1%

(1)0.5%

2.45 2.50 2.55 V

2.475 2.50 2.525

2.489 2.50 2.513

IL=10mA (Fig1), VZ=Vref

Deviation of Reference Input Vdev

Voltage over Temperature

Ratio of the change in

Reference Voltage to the

Change in Cathode

Voltage

Vref

VZ

Reference Input Current Iref

8.0 17 mV

-1.85 -2.7 mV/V

-1.0 -2.0 mV/V

0.12 1.0
A

IL=10mA, VZ=Vref

Ta=full range (Fig1)

VZ from Vref to 10V

IZ=10mA (Fig2)

VZ from 10V to 20V

IZ=10mA (Fig2)

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

(Fig2)

Deviation of Reference

Iref

Input Current over

Temperature

0.04 0.2
A

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

Ta=full range (Fig2)

Minimum Cathode

Current for Regulation

IZmin

35 50
A

VZ=Vref (Fig1)

Off-state Current

IZoff

Dynamic Output Impedance RZ

(1) 0.5% SOT23 only.

0.1
A

0.75 

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

VZ=Vref (Fig1), f=0Hz

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

NOTES following DC TEST CIRCUITS

4-190

78

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