Power Integrations

TOP250F  

AC DC Converters, Offline Switches

TOP250F Description

The TOP250F is an offline switcher flyback converter IC designed for high-efficiency power conversion applications. Manufactured by Power Integrations, this device is part of the Power Management (PMIC) category and is housed in a TO262-7C package. The TOP250F features a breakdown voltage of 700V, making it suitable for applications requiring high voltage isolation. It operates with a switching frequency range of 66kHz to 132kHz, ensuring efficient power delivery. The device includes an internal switch, which simplifies the design process and reduces the component count. With a maximum power output of 290W, the TOP250F is capable of handling demanding power requirements. It also offers a duty cycle of 66.8%, which is optimized for efficient operation. The TOP250F is mounted through-hole, providing robust mechanical stability and thermal performance. Despite its obsolescence status, the TOP250F remains a reliable choice for engineers seeking a proven solution for their power management needs.

TOP250F Features

The TOP250F boasts several advanced features that enhance its performance and reliability:

• Frequency Control: The device incorporates frequency control to optimize power delivery and reduce electromagnetic interference (EMI).
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, over-temperature, and over-voltage protection, ensure safe operation under various conditions.
• Isolated Output: The TOP250F provides isolated output, which is crucial for applications requiring galvanic isolation between input and output circuits.
• High Breakdown Voltage: With a 700V breakdown voltage, the TOP250F can handle high-voltage inputs, making it suitable for a wide range of applications.
• Internal Switch: The inclusion of an internal switch simplifies the design and reduces the overall component count, leading to a more compact and cost-effective solution.
• Wide Switching Frequency Range: The 66kHz to 132kHz switching frequency range allows for flexible design options and efficient power conversion.
• REACH Compliance: The TOP250F is REACH unaffected, ensuring compliance with environmental regulations and suitability for global markets.

TOP250F Applications

The TOP250F is ideal for a variety of applications where high efficiency, high voltage isolation, and robust performance are required:

• Power Supplies: The device is well-suited for AC-DC power supplies, providing reliable and efficient power conversion.
• Adapters and Chargers: The TOP250F can be used in high-power adapters and chargers, ensuring efficient power delivery and compact design.
• Industrial Equipment: The high breakdown voltage and fault protection features make the TOP250F suitable for industrial applications where reliability and safety are paramount.
• Medical Devices: The isolated output and comprehensive fault protection mechanisms make the TOP250F a reliable choice for medical devices that require stringent safety standards.
• Telecommunications: The device can be used in telecommunication equipment, providing efficient power conversion and ensuring high reliability.

Conclusion of TOP250F

The TOP250F is a versatile and reliable offline switcher flyback converter IC that offers a range of advanced features and benefits. Its high breakdown voltage, wide switching frequency range, and comprehensive fault protection mechanisms make it suitable for a variety of demanding applications. Despite its obsolescence status, the TOP250F remains a valuable option for engineers seeking a proven and efficient power management solution. Its internal switch and isolated output further simplify design processes and enhance overall system performance. For applications requiring high efficiency, high voltage isolation, and robust performance, the TOP250F is an excellent choice.

TOP250F Documents

Download datasheets and manufacturer documentation for TOP250F