Datasheet

AN3119 Thermal map
Doc ID 16849 Rev 2 27/32
Table 2. Thermal maps reference points - PCB top side
Point Reference Description
A D1 Bridge rectifier
B Q1 PFC MOSFET
C Q2 PFC MOSFET
D R1 NTC thermistor
E R23 and R24 Sense resistors
F D3 PFC boost rectifier
G L1 EMI filtering inductor
H L2 PFC inductor - core
I L2 PFC inductor - winding