Power Integrations

TNY255GN

TNY255GN Description

The TNY255GN from Power Integrations is a highly integrated offline switcher IC designed for flyback topology applications, offering robust performance in a compact 8-pin surface-mount (SMD) package. With a 700V breakdown voltage and built-in 130kHz switching frequency, it delivers 6.5W of power, making it ideal for low-to-moderate power AC/DC conversion. The device features an internal MOSFET switch, simplifying design while ensuring efficiency and reliability. Compliant with RoHS and REACH standards, it is suitable for environmentally conscious designs.

TNY255GN Features

• Integrated 700V MOSFET: Eliminates the need for an external switch, reducing BOM cost and PCB space.
• Advanced Protection: Includes current limiting and over-temperature fault protection for enhanced system reliability.
• Control Features: Enable (EN) pin allows for precise power management and standby mode operation.
• High Efficiency: 67% duty cycle and optimized switching minimize power losses.
• Wide Operating Range: Supports universal input voltage (85-265VAC) for global compatibility.
• Compact & Robust: MSL 4 (72-hour moisture sensitivity) ensures durability in humid environments.

TNY255GN Applications

The TNY255GN excels in space-constrained, cost-sensitive designs, including:

• Auxiliary Power Supplies: For industrial controls, appliances, and IoT devices.
• Consumer Electronics: Adapters, LED drivers, and smart home systems.
• Industrial Systems: Low-power motor controls, sensors, and automation equipment.
• Isolated Power Modules: Medical devices and safety-critical applications requiring reinforced isolation.

Conclusion of TNY255GN

The TNY255GN stands out for its high integration, reliability, and efficiency, making it a superior choice for offline flyback converters. Its built-in protections, compact form factor, and compliance with environmental standards make it ideal for modern power designs. Whether for consumer, industrial, or medical applications, this IC delivers performance while simplifying development and reducing time-to-market.