Current Sensing Comparator with Overcurrent Protection

Sink and Source DDR Termination Regulator

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.

High Performance, High Fidelity 30W Digital Audio-Power Amplifier

High Performance, High Fidelity 20W Digital Audio-Power Amplifier