The LM5013-Q1 step-down switching converter features all the functions needed to implement a low-cost, high-efficiency buck regulator capable of supplying 3.5-A load current. An adaptive constant on-time (COT) control scheme and PFM at light loads enables low standby current. Various features incorporated for enhanced reliability and safety include cycle-by-cycle peak current limit, thermal shutdown protection, internal output voltage soft-start timer, precision enable , and an open-drain PGOOD indicator for sequencing and fault reporting.

Figure 2-1 shows the pin configuration of the LM5013-Q1. Figure 2-2 presents the regulator schematic for quick reference.

Figure 2-1 LM5013-Q1 Pin Configuration (8-Pin SO Package with PowerPAD, Top View)

Figure 2-2 LM5013-Q1 Buck Regulator Simplified Schematic