The RTKA214220DR0000BU demonstration board provides a simple platform for demonstrating the RAA214220 20V, 150mA, low-dropout (LDO) linear regulator.
The RAA211651 is an integrated 60V, 5A synchronous buck regulator with constant on time modulating scheme. It supports a wide input voltage range from 4.5V to 60V and adjustable output voltage.