ZR2431C01 datasheet(2/7 Pages) DIODES

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ZR2431

ABSOLUTE MAXIMUM RATING

Cathode Voltage (VZ)

15V

Cathode Current

50mA

Operating Temperature

-40 to 85°C

Storage Temperature

-55 to 125°C

Recommended Operating Conditions

Min

Max

Cathode Voltage

VREF

15V

Cathode Current

100

µA 25mA

Power Dissipation (Tamb=25°C,

Tjmax=150°C)

SOT23

330mW

SOT223

SO8

780mW

TO92

780mW

SOT89

1.5W

ELECTRICAL CHARACTERISTICS

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

PARAMETER

SYMBOL

VALUE

UNITS CONDITIONS

MIN

TYP MAX

Reference Voltage

2.5%

1.0%

Vref

1.209

1.228

1.24

1.271

1.252

VIL=10mA (Fig1), VZ=Vref

Deviation of Reference Input

Voltage over Temperature

Vdev

4.0

8.0

IL=10mA, VZ=Vref

Ta=full range (Fig1)

Ratio of the change in

Reference Voltage to the

Change in Cathode Voltage

∆Vref

∆VZ

0.5

2.0

mV/V

VZ from Vref to 10V

IZ=10mA (Fig2)

Reference Input Current

Iref

0.02

0.11 0.4

µA

R1=10k, R2=O/C, lL=10mA (Fig2)

Deviation of Reference Input

Current over Temperature

∆Iref

0.02 0.2

µA

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

Ta=full range (Fig2)

Minimum Cathode

Current for Regulation

IZmin

100

µA

†

Off-state Current

IZoff

µA

VZ=15V, Vref =0V (Fig3)

Dynamic Output Impedance RZ

0.25 2

Ω

VZ=Vref (Fig1), f=0Hz, IL=10mA

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:

∆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+

)

† With a capacitance of greater than 100pF

between cathode and anode, minimum

cathode current must be 0.2mA.

Vmax

Vmin

Vdev = Vmax - Vmin

Temperature

4-155

Not Recommended for New Design

Please Use ZR431LF01 /02

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