If you are looking at a repair log or schematic analysis of this board, here is why it stands out:
Feedback loops (usually using optocouplers) ensure that if a rail drops under load, the controller increases the switching frequency to compensate. Common Faults and Troubleshooting 17ips72 schematic work
"LA-L152P Rev 1.0 schematic" filetype:pdf "Lenovo Legion 5 17ACH6 boardview" If you are looking at a repair log