Drain / Startup Terminal. Receives the high-voltage input signal to initialize the IC and drives the primary transformer winding. S / OCP

: Features off-line quasi-resonant flyback switching for reduced electromagnetic interference (EMI). Protections

The is an integrated circuit (IC) primarily used as an off-line switching regulator in Switch Mode Power Supplies (SMPS). Manufactured by Sanken Electric , this component is a staple in consumer electronics such as TV/VCR power regulators and AC-DC adapters. Key Specifications and Features

Connected to the FB pin to regulate output via a secondary-side regulator (e.g., TL431). Troubleshooting and Testing

From real-world repair logs (TV power boards like the 32” brand models using STR-F6267), here are the top 3 issues:

The official datasheet can be obtained from Sanken's website or from major electronic component distributor websites like Mouser, DigiKey, or Win-Source. Product pages on these sites often have a "Datasheet" link that provides the latest PDF. The most reliable sources are the official manufacturer and authorized distributors.

The STR F6267 is a highly versatile power management IC, suitable for a wide range of applications. The updated datasheet PDF provides engineers and designers with the latest information on this IC, including detailed specifications, block diagrams, pin configurations, and application notes. By using the updated datasheet, designers can optimize their design, ensure compatibility, and reduce design time, ultimately leading to the development of innovative products.

: Evaluates transformer demagnetization pulses to ensure soft switching timings. Critical Fault Protections Embedded

Fully isolated 5-pin package eliminates the need for an insulating mica washer. Maximum Ratings ( Drain-Source Voltage VDSScap V sub cap D cap S cap S end-sub Output Current (Continuous) IDcap I sub cap D Supply Voltage (Pin 4) VCCcap V sub cap C cap C end-sub Overcurrent Protection Voltage VOCPcap V sub cap O cap C cap P end-sub -2.0 to 6.0 Channel Temperature Tchcap T sub c h end-sub ∘Craised to the composed with power C Storage Temperature Tstgcap T sub s t g end-sub -40 to +125 ∘Craised to the composed with power C Pin Configuration and Functions