IC 5.7 A SWITCHING REGULATOR, 460 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16, Switching Regulator or Controller
IC 8.1 A SWITCHING REGULATOR, 560 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16, Switching Regulator or Controller

2.95-5.5V, 5A, Current Mode Synchronous Buck Regulator with Adjustable Frequency 16-HTSSOP -40 to 125