HV9910 LED driver simulation with 555

@Gluisf

5 years ago

https://everycircuit.com/circuit/6142273824227328

This circuit simules the Supertex IC HV9910B using the IC 555 and one opamp. The current specified for the project is 700mA and 90V for output. The input voltage can be from 120V to 400V so the output current stay in 700mA rms