IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller
IC 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24, SOIC-24, Switching Regulator or Controller
LM2596SX-ADJ DC-DC Switching Regulator, 40V In, 7.5A Out, PSSO5

SIMPLE SWITCHER® 3.5V to 40V, 3A Low Component Count Step-Up Regulator 24-SOIC -40 to 125