Power Integrations

TOP246GN

TOP246GN Description

The TOP246GN from Power Integrations is a high-performance offline switcher IC designed for flyback topology applications. This surface-mount device integrates a 700V breakdown voltage MOSFET, enabling efficient power conversion up to 34W. It operates within a 66kHz to 132kHz switching frequency range and features a 66.5% duty cycle, making it suitable for compact, high-efficiency power supplies. The IC supports isolated outputs and complies with RoHS and REACH standards, ensuring environmental and regulatory compatibility. Packaged in a tube, it is ideal for automated assembly processes.

TOP246GN Features

• Integrated 700V MOSFET: Reduces external component count and board space.
• Advanced Control Features: Includes frequency control for optimized performance.
• Comprehensive Fault Protection: Combines current limiting, over-temperature, and over-voltage protection for robust operation.
• High Efficiency: Optimized for flyback topologies with minimal power loss.
• Wide Input Range: Suitable for universal offline applications (85VAC to 265VAC).
• Moisture Sensitivity Level (MSL 4): Requires careful handling with a 72-hour shelf life after exposure.

TOP246GN Applications

The TOP246GN excels in low-to-medium power offline SMPS designs, including:

• AC/DC adapters for consumer electronics (e.g., laptops, monitors).
• Auxiliary power supplies in industrial equipment.
• LED drivers requiring isolated power conversion.
• Household appliances with stringent efficiency requirements.
  Its compact form factor and integrated protections make it ideal for space-constrained, reliability-critical applications.

Conclusion of TOP246GN

The TOP246GN stands out for its high integration, robust protection features, and efficiency in flyback designs. Compared to similar models, it offers superior thermal performance and simplified design-in process, reducing time-to-market. Engineers will appreciate its versatility across consumer, industrial, and lighting applications, backed by Power Integrations' proven reliability. A top choice for 34W offline power solutions.