1.8V Minimum Input and 5. 5V Maximum Output 3A Peak Current Synchronous Boost with Output Disconnect

Low Voltage H-Bridge IC

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

Highly integrated Active Clamp PWM controller

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

Low Capacitance TVS Protection

ZVS Flyback SR Controller

Ultra-Low Capacitance TVS Protection

36V, Boost/Flyback/Sepic Controller

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.