The STR-G6651 is specifically designed to satisfy the requirements for increased integration and reliability in off-line quasi-resonant flyback converters. This device incorporates the primary control and drive circuit with a discrete avalanche-rated power MOSFET.

FEATURES
■Quasi-Resonant Operation
■Output Power to 66 W
■Low-Loss, Pulse-Ratio-Control Standby Mode
■Temperature-Compensated Pulse-by-Pulse Over-Current Protection
■Latched Over-Voltage and Thermal Protection
■Under-Voltage Lockout with Hysteresis
■Active Low-Pass Filter for Enhanced Light-Load Stability
■Switched Attenuation of Leading-Edge Current-Sensing Signal
■Regulated Soft Gate Drive
■Adjustable Switching Speed for EMI Control
■Overmolded Five-Pin Package