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MIC5308 Datasheet, PDF (9/11 Pages) Micrel Semiconductor – Low VIN/VOUT 150mA High PSRR ULDO with Ultra-Low IQ
Micrel, Inc.
To determine the maximum ambient operating
temperature of the package, use the junction-to-ambient
thermal resistance of the device and the following basic
equation:
MIC5308
PD(max)
=
⎜⎜⎝⎛
TJ(max) −
θ JA
TA
⎟⎟⎠⎞
TJ(max) = 125°C, the maximum junction temperature of
the die θJA thermal resistance = 90°C/W.
November 2007
9
M9999-110807-B