LM3429
Overview
The LM3429 is a versatile high voltage LED driver controller. With the capability to be configured in a Buck, Boost, BuckBoost (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.
- 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
