Power Integrations

TOP233PN

TOP233PN Description

The TOP233PN is an offline switch IC designed for flyback topology applications, manufactured by Power Integrations. This device is part of the AC-DC Converters and Offline Switches category and is housed in a through-hole 8DIP package. The TOP233PN features a breakdown voltage of 700V and is capable of delivering up to 25 watts of power. It includes an internal switch, frequency control, and a range of fault protections such as current limiting, over-temperature, and over-voltage protection. The switching frequency is adjustable between 66kHz and 132kHz, and the duty cycle is 78%. The product is REACH unaffected and RoHS compliant, ensuring it meets environmental and safety standards. The HTSUS code is 8542.39.0001, and it has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard manufacturing environments.

TOP233PN Features

• Topology: Flyback topology, ideal for isolated power supplies.
• Mounting Type: Through-hole, providing robust mechanical stability.
• Voltage - Breakdown: 700V, ensuring high reliability in high-voltage applications.
• Power (Watts): 25W, suitable for a wide range of power supply needs.
• Internal Switch(s): Yes, simplifying circuit design and reducing component count.
• Control Features: Frequency control, allowing for precise regulation of the switching frequency.
• Fault Protection: Comprehensive protection features including current limiting, over-temperature, and over-voltage protection, enhancing reliability and safety.
• Frequency - Switching: 66kHz to 132kHz, providing flexibility in design and optimization for efficiency.
• Package: Tube, ensuring easy handling and storage.
• Output Isolation: Isolated, ensuring safety and reliability in various applications.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for standard manufacturing environments.

TOP233PN Applications

The TOP233PN is ideal for applications requiring a reliable and efficient offline power supply. Its flyback topology and high breakdown voltage make it suitable for:

• Consumer Electronics: Power supplies for devices such as televisions, monitors, and other electronic appliances.
• Industrial Applications: Power supplies for industrial equipment, ensuring robust performance in harsh environments.
• Medical Devices: Power supplies for medical equipment, where reliability and safety are paramount.
• Telecommunications: Power supplies for telecom equipment, ensuring stable power delivery.

Conclusion of TOP233PN

The TOP233PN offers a comprehensive set of features that make it a reliable and efficient choice for offline power supply applications. Its high breakdown voltage, internal switch, and comprehensive fault protection features ensure robust performance and safety. The adjustable switching frequency and duty cycle provide flexibility in design, making it suitable for a wide range of applications. Despite being marked as obsolete, the TOP233PN remains a viable option for engineers and designers looking for a reliable and efficient offline switch IC.