LM3421Q0MH/NOPB , LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 16-HTSSOP. we specialize in Hotenda LM3421Q0MH/NOPB electronic components. LM3421Q0MH/NOPB can be shipped within 24 hours after order.