Texas Instruments
IC REG BUCK ADJ 0.3A TSOT23-6. Switching Voltage Regulators 4.5V to 42V, 300mA SIMPLE SWITCHER- buck converter in thin SOT-23 6-SOT-23-THIN -40 to 125
Monolithic Power Systems Inc.
IC REG BUCK ADJ 3A SYNC. Switching Voltage Regulators 3A,16V,500kHz Sync Step Down Converter
Monolithic Power Systems Inc.
IC REG BOOST ADJ 0.2A SYNC. Switching Voltage Regulators 1-Cell 1.3MHz Sync Step-Up DCDC