The HC2703D from HCW-HENGCHENGWEI is a high-performance 700V AC-DC integrated circuit designed for efficient and reliable offline power conversion in modern electronic systems. Built with advanced high-voltage switching technology, this IC operates at 105KHz, enabling fast switching performance that significantly reduces switching losses and improves overall energy efficiency. Its optimized internal architecture minimizes conduction losses, ensuring excellent thermal performance and stable long-term operation.
With a robust 700V voltage rating, the HC2703D 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 subject to voltage fluctuations or surges. The IC integrates essential power control and switching functions, reducing external component count, simplifying circuit design, and improving overall system reliability.
Encased in a compact SOP-8 package, the HC2703D offers flexible PCB layout options and efficient heat dissipation, making it suitable 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 strong high-voltage capability, the HC2703D is an excellent solution for modern power supply designs.
Key Features:
- 700V high-voltage AC-DC integrated circuit
- 20W output power capability
- Low switching and conduction losses for high efficiency
- High-frequency operation at 105KHz
- Integrated power control reduces external components
- Excellent thermal performance and reliability
- High voltage tolerance for demanding environments
- SOP-8 package for compact and flexible designs
Applications:
- AC-DC adapters and battery chargers
- LED drivers and lighting systems
- Smart home and IoT power supplies
- Industrial auxiliary power units
- Consumer electronics power conversion
- Compact offline switching power supplies
