STR-W6753 PDF Datasheet


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Description

This is Universal Input / 58W Off-line Quasi Resonant Flyback Switching Regulator. g n i h tors c t i a Sw egul R STR-W6753 Universal-Input, 58 W Off-Line QuasiResonant Flyback Switching Regulator The STR-W6753 is a quasi-resonant regulator specifically designed to satisfy the requirements for increased integration and reliability in switch-mode power supplies. It incorporates a primary control and drive circuit with an avalanche-rated power MOSFET. The regulator exhibits only low-level high-frequency EMI noise because of soft switching of the MOSFET close to ground (bottom point). A bottom-skip function minimizes an increase of operational frequency during light loads to improve system efficiency over the entire load range. Covering the power range from below 120 watts for a 230 VAC input, or 58 watts for a universal input (85 to 264 VAC), this device can be used in a range of applications, from DVD and VCR players to ac adapters for cellular phones and digital cameras. An auto-standby function, which is internally triggered by sensing on time, reduces power consu.