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LP2985 Scheda tecnica(PDF) 22 Page - Texas Instruments

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Il numero della parte LP2985
Spiegazioni elettronici  LP2985 150-mA, Low-Noise, Low-Dropout Regulator With Shutdown
PDF  41 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

LP2985 Scheda tecnica(HTML) 22 Page - Texas Instruments

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the junction temperature. Use the junction-to-board characterization parameter (ψJB) with the PCB surface
temperature 1 mm from the device package (TB) to calculate the junction temperature.
TJ = TT + ψJT × PD
(4)
where:
• PD is the dissipated power
• TT is the temperature at the center-top of the device package
TJ = TB + ψJB × PD
(5)
where:
• TB is the PCB surface temperature measured 1 mm from the device package and centered on the package
edge
For detailed information on the thermal metrics and how to use them, see the Semiconductor and IC Package
Thermal Metrics application note.
LP2985
SLVS522Q – JULY 2004 – REVISED DECEMBER 2022
www.ti.com
22
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