The is a high-performance, off-line switching regulator integrated circuit (IC) manufactured by Sanken Electric Co., Ltd. . Primarily designed for use in Switch-Mode Power Supplies (SMPS), this 5-pin device integrates a power MOSFET and a controller IC into a single package, typically the TO-3P or ZIP-5 form factor. Key Technical Specifications
: Feedback terminal for constant voltage control signals. Core Features and Protections str f6267 datasheet pdf
: Historically prevalent in TV and VCR power regulator circuits (e.g., JVC units). The is a high-performance