The TOP261LG with AC/DC Converters 177W (85-264VAC) 244W (230V AC) is an industrial-grade integrated offline power supply manufactured by Power Integrations. It is specifically designed for use in high-performance and high-power-density applications, such as lighting, system power supplies and more. This flyback switcher supports an input voltage range of 85-264V AC and can achieve output power of up to 177W (85-264VAC) or 244W (230V AC). The power efficiency can reach 90% in a wide range of load conditions. The TOP261LG is certified to safety standards such as UL/IEC/EN/CSA 60950, EMC class B and ErP Level VI. It integrates several features to improve efficiency and reduce EMI, including optimized integrated resonant controller, low-input filter, low-RDA FET, soft switching, and active burst mode operation. Additionally, the TOP261LG supports all leading standards for modern light sources.