The Texas Instruments LM3435SQ/NOPB is a DC DC regulator LED driver that runs a flyback topology at 1 MHz. It packs three independent outputs, each rated for 2 A on the internal switch, and talks I²C for dimming. That makes it a fit for multi-string backlight units in automotive infotainment displays or industrial panel lighting where you need per-string brightness control without extra PWM lines. Junction temperature rating goes to 150°C.
1 MHz switching — small magnetics, tight layout
But at that frequency, layout parasitics matter — keep the switch node loop tight, and place the input bypass cap right at the IC pins. The datasheet layout example is worth following closely.
No last-time-buy notice, no end-of-life flag.