is a high-performance, off-line switching regulator IC specifically designed for Quasi-Resonant Flyback converters. Manufactured by Sanken Electric
Connected to the internal power MOSFET drain. Pin 2 (Source): Ground reference for the MOSFET. Pin 3 (VCC): Control circuit power supply input. Pin 4 (Feedback): Used for output voltage regulation.
: Specifically optimized for off-line quasi-resonant flyback switching .
The datasheet includes several application notes that provide guidance on using the STR-F6267 in different applications. These notes cover topics such as: