2.5V to 18V High Efficiency Power Limiting Hot-swap Controller

Current Limit Switch with Output Voltage Clamping

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.

Precision Micropower Shunt Voltage Reference

Low On-Resistance, Over Voltage Protection Switch

High Efficiency 300kHz, 25V Boost/SEPIC Controller with Output Current Limit

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

Current Limit Switch with Output Voltage Clamping

5.5V 10A Load Switch with Ultra Low RDS(ON)

36V, Boost/Flyback/Sepic Controller