General Description
●The LM3429 is a versatile high voltage LED driver controller. With the capability to be configured in a Buck, Boost, Buck Boost (Flyback), or SEPIC topology, and an input and output operating voltage rating of 75V, the LM3429 is ideal for illuminating LEDs in a very diverse, large family of applications.
●Features
●■ VIN range from 4.5V to 75V
●■ 2% Internal reference voltage (1.235V)
●■ Current sense voltage adjustable from 20 mV
●■ High-side current sensing
●■ 2Ω MOSFET gate driver
●■ Dimming MOSFET gate driver
●■ Input under-voltage protection
●■ Over-voltage protection
●■ Low shutdown current, IQ < 1µA
●■ Fast (50kHz) PWM dimming
●■ Cycle-by-cycle current limit
●■ Programmable switching frequency
●■ TSSOP EP 14-lead package
