Texas Instruments
IC REG BUCK ADJ 1A TSOT23-6. Switching Voltage Regulators 3 to 20 V input, 1 A, automotive step-down converter with light load efficiency 6-SOT-23-THIN -40 to 125
Texas Instruments
IC REG BUCK ADJ 0.3A TSOT23-6. Switching Voltage Regulators SIMPLE SWITCHER® 42V, 300mA Step-Down DC/DC Regulator in Thin SOT-23 6-SOT-23-THIN -40 to 125
Monolithic Power Systems Inc.
AUTOMOTIVE GRADE3A 5.5V 1.2MH. Switching Voltage Regulators Automotive Grade,3A, 5.5V, 1.2MHz, 40 A IQ, COT Synchronous Step Down Switcher