IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOP-8, 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

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features 7-TO-220 -40 to 125
IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Switching Regulator or Controller
IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller

Adjustable Step-Down DC/DC Converter, 500mA, 60V In, 57V Out, SOIC

Adj Step-Down DC/DC Controller, 60V In, 500mA Out, 125°C, SOIC N
SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator 8-SOIC -40 to 125