0.85V Minimum Input and 5. 5V Maximum Output High Efficiency 0.6A Valley Current Synchronous Boost

High Efficiency 1MHz, 2A Step Up 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.

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

5.5V Maximum Output, 3A Valley Current, 1MHz Sync Boost

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

High Efficiency, 28V Input. Single Inductor Synchronous Step Up/Down Regulator

0.9V Minimum Input and 4V Maximum Output 1.8A Peak Current Synchronous Boost with Output Disconnect

0.7V Minimum Input and 5.25V Maximum Output Synchronous Boost Converter

5.6V Maximum Output, 3A Valley Current, 1MHz Synchronous Boost with Auto Bypass Function