ZR431LC01STOB datasheet(4/10 Pages) DIODES

4 / 10 page

ZR431L

Issue 3 - April 2008

www.zetex.com

Electrical characteristics (at Tamb = 25°C unless otherwise stated)

DC Test circuits

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Reference Voltage

2.5%

1.0%

Vref

1.209

1.228

1.24

1.271

1.252

IL = 10mA (Fig1), VZ = Vref

Deviation of Reference

Input Voltage over

Temperature

Vdev

4.0

8.0

IL = 10mA, VZ = Vref

Ta = full range (Fig 1)

Ratio of the change in

Reference Voltage to the

change in Cathode

Voltage)

0.5

2.0

mV/V

VZ from Vref to 10V

IZ = 10mA (Fig2)

Reference Input Current

Iref

0.02

0.11

0.4

R1 = 10k, R2 = O/C,

lL = 10mA (fig2)

Deviation of Reference

Input Current over

Temperature

Iref

0.02

0.2

R1 = 10k, R2 = O/C,

IL = 10mA Ta = full

range (Fig2)

Minimum Cathode

Current for Regulation

IZmin

100

Off-state Current

IZoff

AVZ = 10V, Vref = 0V

(Fig3)

Dynamic Output

Impedance

0.25

VZ = Vref(Fig1), f = 0Hz,

IL = 10mA

Fig 1 - Test Circuit for VZ = Vref Fig 2 - Test Circuit for VZ > Vref Fig 3 - Test Circuit for Off State

current

ref

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