The SY21401 is a current mode DC/DC controller targeted for Boost, SEPIC, Flyback and Forward applications. The SY21401 has an accurate DC input current limit. External compensation provides flexible adjustment of control loops for different applications. The internal low side driver is capable of sourcing 1.5A and sinking 3A current.

28V, 0.15A, 3-channel Linear LED Driver with ON OFF Dimming

Ultra-High Sensitivity ALS/Color Sensor for Under OLED Display Applications

33 Channel Multiple Switch Detection Interface With Adjustable Wetting Current for Automotive Applications

22 Channel Multiple Switch Detection Interface With Adjustable Wetting Current for Automotive Applications

30V High Current Boost LED Driver

40V High Current Boost LED Driver

40V High Current Boost LED Driver

60V High Efficiency Four-String Boost LED Driver

60V High Efficiency Four-String Boost LED Driver