Typical Buck Regulator Application Circuit for the LM3429 N-Channel Controller for Constant Current LED Driver

Typical Buck Regulator Application Circuit for the LM3429 N-Channel Controller for Constant Current LED Driver. The LM3429 is a versatile high voltage N-channel MosFET controller for LED drivers. It can be easily configured in buck, boost, buck-boost and SEPIC topologies. This flexibility, along with an input voltage rating of 75V, makes the LM3429 ideal for illuminating LEDs in a very diverse, large family of applications