IC 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller

SIMPLE SWITCHER® 8V to 40V, 3A Low Component Count Step-Down Regulator 7-DDPAK/TO-263 -40 to 125

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync 7-DDPAK/TO-263 -40 to 125