This is the basic configuration of an operational amplifier sample & hold circuit. The FET and transistor are commonly used. The circuit is from an 80's documentation.
The circuit is from an old American magazine EDN of 1975, but can be mounted with ease with common...
June 2016 – Mouser Electronics already have in stock the TPS56C215 converter from Texas...
This circuit for the car can be found in other versions in this section. This is from an 80's...