LM2731

SNVS217G – MAY 2004 – REVISED SEPTEMBER 2015

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6.3 Recommended Operating Conditions

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

MIN

NOM

MAX

UNIT

Input Supply Voltage

2.7

14

V

SW Pin Voltage

3

20

V

0

VIN

V

Junction Temperature Range

–40

125

ºC

(1)

6.4 Thermal Information

LM2731

DBV (SOT-23)

UNIT

5 PINS

Junction-to-ambient thermal resistance

209.9

°C/W

Junction-to-case (top) thermal resistance

122

°C/W

Junction-to-board thermal resistance

38.4

°C/W

Junction-to-top characterization parameter

12.8

°C/W

Junction-to-board characterization parameter

37.5

°C/W

Junction-to-case (bottom) thermal resistance

N/A

°C/W

(1)

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

report, SPRA953.

4

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