IC 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP8, DIP-8, Switching Regulator or Controller
Buck Switching Regulator IC Positive Adjustable 1.2V 1 Output 5mA 8-SOIC (.154", 3.9mm Width)
IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOIC-8, Switching Regulator or Controller
IC 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller

5A Step-Down DC/DC Controller, 40V In, Adj/Fixed Out, 260kHz, VSON