Power Integrations

TNY253P

TNY253P Description

The TNY253P is an offline switch IC designed for flyback topology applications, offering a robust and efficient solution for 2 W power conversion. Manufactured by Power Integrations, this device is part of the renowned TinySwitch® series, known for its compact design and high performance. The TNY253P features a breakdown voltage of 700V, ensuring reliable operation in various voltage conditions. It employs a through-hole mounting type, making it suitable for applications requiring robust mechanical stability. Despite its obsolescence, the TNY253P remains a viable option for legacy systems and specific niche applications.

TNY253P Features

• High Breakdown Voltage: With a 700V breakdown voltage, the TNY253P ensures reliable operation in high-voltage environments.
• Internal Switch: The inclusion of an internal switch simplifies the design and reduces the component count, enhancing overall system efficiency.
• Frequency and Duty Cycle: Operating at a switching frequency of 44kHz with a duty cycle of 68%, the TNY253P provides efficient power conversion with minimal energy loss.
• Control and Protection Features: The TNY253P offers enable (EN) control, current limiting, and over-temperature protection, ensuring safe and stable operation under various conditions.
• Output Isolation: The isolated output design enhances safety and reliability, making it suitable for applications where electrical isolation is critical.
• Compliance and Packaging: The TNY253P is REACH unaffected and packaged in a tube, ensuring compliance with environmental regulations and ease of handling during assembly.

TNY253P Applications

The TNY253P is ideal for a variety of applications requiring efficient power conversion in a compact form factor. Its 2 W power capability and flyback topology make it suitable for:

• Consumer Electronics: Charging solutions, small appliances, and low-power devices.
• Industrial Applications: Low-power control systems, sensors, and monitoring equipment.
• Medical Devices: Portable medical devices and low-power diagnostic equipment.
• Telecommunications: Power supplies for small network devices and remote communication modules.

Conclusion of TNY253P

The TNY253P, despite being obsolete, remains a reliable choice for applications requiring a compact and efficient offline switch IC. Its high breakdown voltage, internal switch, and comprehensive protection features make it a robust solution for various power conversion needs. While newer models may offer enhanced performance and additional features, the TNY253P continues to serve well in legacy systems and specific niche applications. For designers and engineers looking for a proven and reliable solution, the TNY253P is a worthy consideration.