6.4 Recommended Operating Conditions, TL331-Q1

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

Supply voltage

2

36

V

Junction temperature, TL331IDBVRQ1

–40

85

°C

Junction temperature, TL331QDBVRQ1

–40

125

°C

6.5 Recommended Operating Conditions, TL331B-Q1 and TL391B-Q1

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

Supply voltage

2

36

V

Junction temperature

–40

125

°C

6.6 Thermal Information

THERMAL METRIC(1)

TL331-Q1

TL331B-Q1,

TL391B-Q1

UNIT

DBV (SOT-23) DBV (SOT-23)

5 PINS

5 PINS

Junction-to-ambient thermal resistance

218.3

211.7

°C/W

Junction-to-case (top) thermal resistance

87.3

133.6

°C/W

Junction-to-board thermal resistance

44.9

79.9

°C/W

Junction-to-top characterization parameter

4.3

56.4

°C/W

Junction-to-board characterization parameter

44.1

79.6

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

www.ti.com

TL331-Q1, TL331B-Q1, TL391B-Q1

SLVS969F – OCTOBER 2009 – REVISED JANUARY 2021

Copyright © 2021 Texas Instruments Incorporated

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Product Folder Links: TL331-Q1 TL331B-Q1 TL391B-Q1