ZR431

ABSOLUTE MAXIMUM RATING

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

50

A 100mA

SOT23

330mW

TO92

780mW

SOT223

2W

SO8

780mW

PARAMETER

SYMBOL

VALUE

UNITS CONDITIONS

MIN TYP MAX

Reference Voltage

2%

1%

2.45

2.475

2.489

2.50

2.50

2.50

2.55

2.525

2.513

Deviation of Reference Input

Voltage over Temperature

8.0

17

mV

Ratio of the change in

Reference Voltage to the

Change in Cathode

Voltage

-1.85 -2.7

mV/V

-1.0

-2.0

mV/V

Reference Input Current

0.12 1.0

A

(Fig2)

Deviation of Reference

Input Current over

Temperature

0.04 0.2

A

Minimum Cathode

Current for Regulation

35

50

A

Off-state Current

0.1

A

0.75



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

NOTES following DC TEST CIRCUITS

4-190

78