Texas Instruments
IC REG BUCK ADJ 5A TO263-7. Switching Voltage Regulators SIMPLE SWITCHER- 8V to 40V, 5A Step-Down DC/DC Switching Regulator with Adjustable Current Limit 7-DDPAK/TO-263 -40 to 125
Maxim Integrated
IC REG SWTCHD CAP INV RATIO 8DIP. Switching Voltage Regulators CMOS Monolithic Voltage Converter