SNVS480J January 2007 – July 2020 LM5022
The top of RSNS must be connected to the CS pin with a separate trace made as short as possible. Route this trace away from the inductor and the switch node (where D1, Q1, and L1 connect). For the voltage loop, keep RFB1/2 close to the LM5022 and run a trace from as close as possible to the positive side of COX to RFB2. As with the CS line, the FB line must be routed away from the inductor and the switch node. These measures minimize the length of high impedance lines and reduce noise pickup.