The MP9486 is a high-voltage, step down converter from Monolithic Power Systems. It can deliver up to 1A of continues current. The MP9486 can handle a wide range of input voltage ranging from 4.5V to 100V.
The LP5907 is a low-nose, high PSSR, ultra-low dropout voltage regulator from TI. It is capable of delivering output current up to 250mA. The LP5907 also feature low quiescent current and low line and load transient response figures.