Ultra-Low Capacitance ESD/Surge Protection

ZVS Flyback SR Controller

ZVS Flyback SR Switcher

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.

36V, Boost/Flyback/Sepic Controller

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

Highly integrated Active Clamp PWM controller

Highly Integrated Digital Controller

Highly Integrated Digital Controller

Ultra-Low Capacitance TVS Protection