Single-channel, Adjustable Voltage Monitor in Ultra-small Package

Sink and Source DDR Termination Regulator

36V, 300mA LDO with Programmable Reset

Current Sensing Comparator with Overcurrent 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.

Single-Phase/Two-Wire (Dual Outlet) or Single-Phase Three-Wire (Split-Phase) Systems

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

3A, 55V Fast-Response LDO Regulator

60V Synchronous Four-switch Buck-Boost Controller