IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller

TEXAS INSTRUMENTS LM2596S-ADJ DC-DC Switching Buck (Step Down) Regulator, Adj., 4.5V-40Vin, 1.2V-37V/3A out, 150 kHz, TO-263-5
Conv DC-DC Single Inv/Step Down 4.5V to 40V 6-Pin(5+Tab) TO-263 Rail