TL431

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNITS

Cathode-Anode Reverse Breakdown

37

V

Anode-Cathode Forward Current

1

A

Operating Cathode Current

250

mA

Reference Input Current

10

mA

Continuous Power at 25

TO-92

8L SOIC

SOT-89

775

750

1000

mW

mW

mW

Junction Temperature

150

Storage Temperature

–65 to 150

Lead Temperature, Soldering 10 Seconds

300

Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating

only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification

is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

RECOMMENDED CONDITIONS

SYMBOL

PARAMETER

RATING

UNIT

Cathode Voltage

V

Cathode Current

10

mA

TYPICAL THERMAL RESISTANCE

PACKAGE

TYPICAL DERATING

TO-92

160

80

6.3mW/

SOIC

175

45

5.7mW/

SOT-89

110

8

9.1mW/

1G-36

ANODE (A)

CATHODE (K)

2.5V

REFERENCE (R)

+

–

FUNCTIONAL BLOCK DIAGRAM

CORPORATION