5.4 Recommended Operating Conditions, TL331-Q1, TL331E-Q1

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

MIN

MAX

UNIT

VCC

Supply voltage

2

36

V

TJ

Junction temperature, TL331IDBVRQ1

–40

85

°C

TJ

Junction temperature, TL331QDBVRQ1

–40

125

°C

TJ

Junction temperature, TL331EDBVRQ1

-40

150

°C

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

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

MIN

MAX

UNIT

VCC

Supply voltage

2

36

V

TJ

Junction temperature

–40

125

°C

5.6 Thermal Information

THERMAL METRIC(1)

TL331x-Q1,

TL391B-Q1

UNIT

DBV (SOT-23)

5 PINS

RθJA

Junction-to-ambient thermal resistance

211.7

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

133.6

°C/W

RθJB

Junction-to-board thermal resistance

79.9

°C/W

ψJT

Junction-to-top characterization parameter

56.4

°C/W

ψJB

Junction-to-board characterization parameter

79.6

°C/W

(1)

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

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TL331-Q1, TL331B-Q1, TL391B-Q1

SLVS969H – OCTOBER 2009 – REVISED JANUARY 2025

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