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.
The SY21412A is a current mode DC/DC controller targeted for both boost and SEPIC applications. SY21412A has accurate output 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.
Highly integrated Active Clamp PWM controller
0.7V Minimum Input, Fixed Output 100mA Maximum Output Current Synchronous Boost
High Efficiency Fast Response, 1.5A, 18V Input Synchronous Buck Converter
High Efficiency, 36V Input, 3A Synchronous Step Down Regulators
High Efficiency, 36V Input, 6A Synchronous Step-Down Regulator
1.8A Quiescent Current, 0.6A, 40V Input Synchronous Step Down Regulator
High Efficiency 2.8V-5.5V, 2A Single Synchronous Buck Converter
5.5V, 4A Single Synchronous Buck Converter