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LP3873 Datasheet(PDF) 15 Page - Texas Instruments

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Part # LP3873
Description  3A Fast Ultra Low Dropout Linear Regulators
PDF  24 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP3873 Datasheet(HTML) 15 Page - Texas Instruments

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LP3873, LP3876
www.ti.com
SNVS220E – NOVEMBER 2002 – REVISED APRIL 2013
Figure 25.
θJA vs Copper (1 Ounce) Area for DDPAK/TO-263 package
As shown in the figure, increasing the copper area beyond 1 square inch produces very little improvement. The
minimum value for
θJA for the DDPAK/TO-263 package mounted to a PCB is 32°C/W.
Figure 26 shows the maximum allowable power dissipation for DDPAK/TO-263 packages for different ambient
temperatures, assuming
θJA is 35°C/W and the maximum junction temperature is 125°C.
Figure 26. Maximum power dissipation vs ambient temperature for DDPAK/TO-263 package
Copyright © 2002–2013, Texas Instruments Incorporated
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Product Folder Links: LP3873 LP3876



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