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PIFE32251B-R68MS 데이터시트(PDF) 148 Page - Texas Instruments |
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PIFE32251B-R68MS 데이터시트(HTML) 148 Page - Texas Instruments |
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148 / 157 page ![]() 148 TPS650830 SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TPS650830 Layout Copyright © 2014–2016, Texas Instruments Incorporated 9.2.3 ZCG Package Figure 9-6. Top Layer ZCG Layout Figure 9-7. Bottom Layer ZCG Layout 9.3 Thermal Considerations Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires special attention to power dissipation. Many system-dependent issues such as thermal coupling, airflow, added heat sinks and convection surfaces, and the presence of other heat-generating components affect the power-dissipation limits of a given component. Three basic approaches for enhancing thermal performance are listed below. • Improving the power dissipation capability of the PCB design • Improving the thermal coupling of the component to the PCB by soldering the PowerPAD™ • Introducing airflow in the system For more details on how to use the thermal parameters in the dissipation ratings table please check the Thermal Characteristics Application Note (SZZA017) and the IC Package Thermal Metrics Application Note (SPRA953). |
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