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3

Advanced Power

Electronics Corp.

AP431A

Absolute Maximum Ratings

Cathode Voltage ………………………………......….........................…...……………………………...……….36V

Continuous Cathode Current ………………………….…….............…................…………….... -10mA ~ 250mA

Reference Input Current Range ……………..………..............…….................................………….…....... 10mA

Operating Temperature Range ………….…………..…….…….....………………...........………......-40

Lead Temperature………………………….………….…….…………....…………………….........…............ 260

Storage Temperature ……………………………......…....….............………………..……...…....... -65

Power Dissipation (Notes 1. 2)

TO-92 Package ….…………..………………………....………….....… 0.78W

SOT-23 Package .…...…………..…………….......…………………… 0.25W

SOT-25 Package……………………...…………….………….………..0.25W

SOP-8 Package……………….………………………………………… 0.6W

Note 1: TJ, max =150

Note 2: Ratings apply to ambient temperature at 25

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP. MAX. UNIT

-B

2.470 2.495 2.520

Reference voltage

2.482

2.507

V

Deviation of Reference input voltage

over temperature (Note 3)

Ta = Full range (Fig.1)

8.0

20

mV

-1.4

-2.0 mV/V

Ratio of the change in Reference

voltage to the change in Cathode

voltage

-1

-2

mV/V

Reference input current

(Fig.2)

1.4

3.5

µA

Deviation of Reference input current

over temperature

Ta = Full range (Fig.2)

0.4

1.2

µA

Minimum Cathode current for

regulation

0.19

0.5

mA

Off-state current

0.1

1.0

µA

Dynamic output impedance (Note 4)

Frequency

KA

Z

0.2

0.5

Ω

TEMPERATURE

SOP-89 Package............................................................................... 0.5W