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I'm selecting the package type for a TPS78601 regulator and expected that the larger TO-263 would have better thermal characteristics than the TO-223.
The JA thermal resistances in the datasheet seem to bear this out, but the JC and JB values are higher for the TO-263..?
Hi Colin,
The following application report (also referenced below the thermal information table) contains an explanation of each of the thermal values and how to interpret them.
Very Respectfully,
Ryan