SNVA870A March 2019 – April 2020 LM25143 , LM25143-Q1 , LM5143 , LM5143-Q1 , LM5143A-Q1
3 Application Circuit Diagram
Figure 1 shows the schematic of an LM5143-Q1 based synchronous buck regulator (EMI filter stage not shown). Soft start (SS), restart (RES), and dither (DITH) components are shown that are configurable as required by the specific application.
Figure 1. LM5143-Q1 4-Phase Synchronous Buck Regulator Schematic