LM4050-N, LM4050-N-Q1

SNOS455G – MAY 2000 – REVISED SEPTEMBER 2015

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6.3 Recommended Operating Conditions

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

(1) (2)

MIN

MAX

UNIT

Ambient Temperature Range

–40

85

°C

Industrial Temperature Range

Junction Temperature Range

–40

85

°C

Ambient Temperature Range

–40

125

°C

Extended Temperature Range

Junction Temperature

–40

125

°C

(1)

(2)

Recommended Operating Conditions are conditions under the device is intended to be functional. For specifications and conditions, see

Electrical Characteristics section.

6.4 Thermal Information

LM4050-N/-Q1

DBZ (SOT-23)

UNIT

3 PINS

Junction-to-ambient thermal resistance

287

°C/W

Junction-to-case (top) thermal resistance

106.6

°C/W

Junction-to-board thermal resistance

57.7

°C/W

Junction-to-top characterization parameter

5.5

°C/W

Junction-to-board characterization parameter

56.4

°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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