Power Integrations

TNY179PN

TNY179PN Description

The TNY179PN from Power Integrations is a highly efficient, offline-switching IC designed for flyback topology with secondary-side synchronous rectification (SR). It integrates a 650V breakdown voltage MOSFET, enabling robust performance in AC-DC power conversion applications. With a 32W output power capability (230VAC input) and 25W (85-265VAC), it is optimized for compact, energy-efficient designs. The device operates at a 132kHz switching frequency with a 65% duty cycle, ensuring stable power delivery while minimizing losses. Its isolated output and through-hole mounting make it suitable for industrial and consumer applications requiring reliable power management.

TNY179PN Features

• Integrated 650V MOSFET: Reduces external component count and simplifies design.
• Secondary-Side SR Support: Enhances efficiency in flyback converters.
• Comprehensive Protection: Includes current limiting, over-load, over-temperature, over-voltage, and short-circuit protection for robust operation.
• Control Features: Enable (EN) pin for precise power management.
• High Efficiency: Optimized for 32W (230VAC) and 25W (85-265VAC) with low standby power consumption.
• Wide Input Range: Supports universal input voltage (85-265VAC).
• REACH Unaffected: Compliant with environmental regulations.

TNY179PN Applications

• Consumer Electronics: Power adapters, LED drivers, and small appliances.
• Industrial Systems: Auxiliary power supplies, motor controls, and PLCs.
• IoT Devices: Compact, efficient power solutions for smart home and wearable devices.
• Lighting: High-efficiency LED drivers with secondary-side regulation.

Conclusion of TNY179PN

The TNY179PN stands out for its integration, efficiency, and protection features, making it ideal for space-constrained, high-reliability applications. Its secondary-side SR support and wide input range provide flexibility across diverse power supply designs, while its comprehensive fault protection ensures long-term durability. For engineers seeking a cost-effective, high-performance offline switcher, the TNY179PN delivers a compelling solution.