TIDT387 March 2024 LM25148-Q1 , LM74910-Q1 , TPS389006-Q1 , TPS62874-Q1 , TPS62875-Q1 , TPS62876-Q1 , TPS62877-Q1 , TPS746-Q1 , TPS7B69-Q1
2.3 Thermal Images
The thermal images in Figure 3-78 to Figure 2-18 show the thermal performance of all of the rails at the specified input and output conditions. All images were taken at ambient room temperatures after reaching thermal equilibrium.
Figure 2-15 Thermal Image,
Pre-Regulator Buck and FEP, 13.5V Input, 5V Output at 12A Load
Figure 2-16 VCCINT - Thermal Image,
Core Rail, 5V Input, 0.8V Output at 39A LoadThe thermal image in Figure 2-17 shows all rails running at the respective full load current (buck 1: 1.0V output at 3A load; buck 2: 1.5V output at 1.1A load; buck 3: 0.88V output at 0.7A load; buck 4: 1.2V output at 1.3A load).
Figure 2-17 VCCO, VCCAUX, GTAVCC,
GTAVTT - Thermal Image, PMIC, 5V Input
Figure 2-18 GTAVCCAUX - Thermal Image,
LDO Linear Regulator, 5V Input, 1.5V Output at 0.05A Load