This design allows for "soft switching," which significantly reduces electromagnetic interference (EMI) and improves efficiency by turning on the MOSFET at the bottom point of the voltage resonance.
Control boards that require reliable, efficient AC/DC conversion. Where to Find the Datasheet PDF STR-Z2756.pdf - IC Components
Delivers operating voltage to the internal PWM control logic. Protection / Compensation
Because the STR-Z2756 is a legacy component, engineers and repair professionals frequently must rely on electronic component databases to locate documentation and replacement units.