Below are thermal results captured on the TPS544C26EVM with PVIN = 12 V, VOUT = 1.1 V conditions.
Figure 8-21 Thermal Characteristics,
600 kHz FCCM, Internal LDO, 35 A Load
Figure 8-23 Thermal Characteristics,
800 kHz FCCM, Internal LDO, 35-A Load
Figure 8-25 Thermal Characteristics,
1.2-MHz FCCM, Internal LDO, 35-A Load
Figure 8-22 Thermal Characteristics,
600 kHz FCCM, External 5-V Bias, 35-A Load
Figure 8-24 Thermal Characteristics,
800 kHz FCCM, External 5-V Bias, 35-A Load
Figure 8-26 Thermal Characteristics,
1.2-MHz FCCM, External 5-V Bias, 35-A Load