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.
1. Auto-Bias Function, Stable Burst Operation Without Generating Interference
2. Internal Off-Timer Circuit
3. Built-In Constant-Voltage Drive
4. Multiple Protections:
(1) Pulse-by-Pulse Overcurrent Protection (2) Overload Protection with Auto Recovery (3) Latching Overvoltage Protection (4) Undervoltage Lockout with Hysteresis