The STRF6624 is a quasi-resonant flyback converter IC from Sanken. It is designed for use in switched-mode power supplies (SMPS) and offers high efficiency and low noise operation. The device integrates a power MOSFET and control circuitry to simplify power supply designs and reduce the number of external components required.

Applications

• Power supplies for LCD TVs
• AC adapters for various electronic devices
• Set-top boxes
• DVD players

Features

• Quasi-Resonant operation
• Integrated Power MOSFET
• Overcurrent Protection (OCP)
• Overvoltage Protection (OVP)
• Thermal Shutdown Protection (TSD)
• Soft-Start Function

Benefits

• High efficiency reduces energy consumption and heat generation.
• Simplified design lowers BOM cost and reduces development time.
• Integrated protection features enhance system reliability and prevent damage from fault conditions.
• Low noise operation minimizes electromagnetic interference (EMI).
• Soft-start function limits inrush current and reduces stress on components during startup.

Additional Details

The STRF6624 utilizes quasi-resonant switching to achieve high efficiency and low EMI noise. The integrated MOSFET reduces the number of external components required, simplifying the overall design. The IC's protection features ensure robust operation and prevent damage in case of overcurrent, overvoltage, or over-temperature conditions. The soft-start function limits inrush current at startup, which further enhances system reliability. The STRF6624 is typically supplied in a through-hole package for easy mounting on PCBs. Proper heatsinking may be required depending on the application and operating conditions.