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NAD12S10-A
DC-DC Converter Technical Manual V1.1
Thermal Consideration
Thermal Test Point
Sufficient airflow should be provided to ensure reliable operating of the converter. Therefore, thermal
components are mounted on the converter to dissipate heat to the surrounding environment by conduction,
convection and radiation. Decide proper airflow to be provided by measuring the temperature of IC as
shown in Figure 73 to protect the converter against overtemperature. The Overtemperature protection
threshold is also obtained based on thermal test point.
Thermal test point
Figure 73: Thermal test point
Power Dissipation
The converter power dissipation is calculated based on efficiency. The following formula reflects the
relationship between the consumed power (P
Encapsulation Size Diagram
Unit of measurement: mm [in.]
GLOBAL ENERGY EFFICIENCY SPECIALIST
), efficiency (ŋ), and output power (P
d
): Pd=Po(1-η)/η
o
20
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