LM3409 dimming controlled LED driver circuit

This dimming controlled LED driver circuit is based on LM3409 P-channel MosFET (PFET) controller for step-down (buck) current regulator, which require few external electronic components and it has a very high efficiency.
The LM3409 dimming controlled LED driver circuit diagram use Constant Off-Time (COFT) control to regulate an accurate constant current without the need for external control loop compensation.
This dimming controlled LED driver electronic circuit require an input voltage of 36 volts and will provide at output a voltage of 24 volts at a maximum current of 700mA.