The circuit is from 1994 National Semiconductor documentation. The component is not easy to obtain, but there are equivalents that can be searched.
With the indicated components, this circuit oscillates around 3.6 kHz. The components can be...
We found this circuit in 2005 Linear Technology documentation. MPOSFET is load-matched. The...
Found in a 1980s documentation, this circuit makes use of components from that time. Modern...