Operating parameters, Absolute maximum ratings, Thermal characteristics – Maxim Integrated DS21Q55 User Manual

Page 231: Theta-ja ( θ, Vs airflow

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DS21Q55

231 of 248

012103

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33. OPERATING PARAMETERS

ABSOLUTE MAXIMUM RATINGS*

Voltage Range on Any Pin Relative to Ground

-1.0V to +6.0V

Operating Temperature Range for DS21Q55

0

°

C to +70

°

C

Operating Temperature Range for DS21Q55N

-40

°

C to +85

°

C

Storage Temperature Range

-55

°

C to +125

°

C

Soldering Temperature

See J-STD-20A


* This is a stress rating only and functional operation of the device at these or any other conditions above

those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time can affect reliability.

THERMAL CHARACTERISTICS

PARAMETER

MIN

TYP

MAX

NOTES

Ambient Temperature

-40

°

C

-

+85

°

C

1

Junction Temperature

-

-

+125

°

C

Theta-JA (

θ

JA

) in Still Air for 100-pin LQFP

-

-

2

Theta-JA (

θ

JA

) in Still Air for 10mm

CSBGA pin LQFP

-

-

2

NOTES:

1) The package is mounted on a four- layer JEDEC standard test board.

2)

Theta-JA (

θ

JA

) is the junction to ambient thermal resistance, when the package is mounted on a four-

layer JEDEC standard test board.

THETA-JA (

θ

JA

) vs AIRFLOW

FORCED AIR

(meters per second)

THETA-JA (

θ

JA

)

100-PIN LQFP

THETA-JA (

θ

JA

)

10mm CSBGA

0

1

2.5

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