The HC2703G from HCW-HENGCHENGWEI is a high-efficiency 700V AC-DC integrated circuit designed for compact and reliable offline power conversion in modern electronic systems. Built with advanced high-voltage fast-switching technology, this IC operates at 105KHz, enabling reduced switching losses and improved overall energy efficiency. Its optimized internal architecture minimizes conduction losses, ensuring excellent thermal performance and stable operation under continuous load conditions.
With a robust 700V voltage rating, the HC2703G provides superior reliability and enhanced safety margins compared to lower voltage AC-DC solutions. This makes it ideal for wide-range AC input applications and environments prone to voltage fluctuations or surges. The IC integrates essential power control and switching functions, reducing external component requirements, simplifying circuit design, and improving system reliability.
Encased in a compact SOP-8 package, the HC2703G offers flexible PCB layout options and efficient heat dissipation, making it well-suited for high-density and space-constrained designs. It is widely used in AC-DC adapters, LED drivers, smart home power supplies, industrial auxiliary systems, and consumer electronics.
Combining high efficiency, compact integration, and robust high-voltage capability, the HC2703G is a dependable solution for next-generation power supply applications.
Key Features:
- 700V high-voltage AC-DC integrated circuit
- 20W output power capability
- High-frequency operation at 105KHz
- Low switching and conduction losses for improved efficiency
- Integrated power control reduces external components
- Excellent thermal performance and reliability
- High voltage tolerance for unstable power environments
- SOP-8 package for compact and flexible designs
Applications:
- AC-DC adapters and charging systems
- LED lighting drivers
- Smart home and IoT power supplies
- Industrial auxiliary power units
- Consumer electronics power conversion
- Offline switching power supply designs
