High Efficiency 2.5MHz, 1A��Synchronous Step Down Regulator

High Efficiency 3MHz, 1A��Synchronous Step Down Regulator

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

0.7V Minimum Input, Fixed Output 100mA Maximum Output Current Synchronous Boost

0.7V Minimum Input and Fixed Output 100mA Maximum Output Current Synchronous Boost

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

0.85V Minimum Input and 5. 5V Maximum Output High Efficiency 2A Valley Current Synchronous Boost

1.8V Minimum Input and 5. 5V Maximum Output

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