TRENCHSTOP™ Advanced Isolation Infineon Technologies TRENCHSTOP™ Advanced Isolation offers design flexibility, high output power, low cooling effort, high reliability, and electrical isolation. The TRENCHSTOP Advanced Isolation delivers 0.2% higher efficiency and 10% lower cooling effort with higher reliability. Two versions are performance-optimized to replace fully insulated packages (FullPAKs) and standard and high-performance isolation foils. The package targets applications like power factor correction (PFC) for air conditioners, uninterruptible power supply (UPS), and power converters for drives.