The HC7708A is a high-efficiency Gallium Nitride (GaN) AC-DC integrated circuit from HCW-HENGCHENGWEI, designed for compact and energy-optimized offline power conversion systems. Built with advanced GaN semiconductor technology, it provides ultra-fast switching performance with significantly reduced switching and conduction losses compared to traditional silicon-based AC-DC solutions.
With a high voltage rating of 700V, the HC7708A is optimized for primary-side switching applications in modern low-power SMPS and adapter designs. Its low-loss architecture improves overall system efficiency while minimizing heat generation, ensuring stable thermal performance and reliable long-term operation under varying load conditions.
The device supports high-frequency operation, enabling reduced transformer size, higher power density, and improved energy conversion efficiency. This makes it ideal for space-constrained power supply designs where efficiency, compact size, and thermal management are critical requirements.
Packaged in a standard SOP-8 form factor, the HC7708A offers easy PCB integration and cost-effective manufacturing. Its integrated design reduces the need for external components, simplifying circuit layout, lowering BOM cost, and improving overall system reliability.
The HC7708A is well-suited for next-generation offline power systems requiring high efficiency, compact design, and stable performance across a wide range of operating conditions.
Key Features:
- GaN-based high-efficiency AC-DC integrated circuit
- High voltage rating: 700V
- Ultra-fast switching performance
- Low switching and conduction losses
- Improved thermal efficiency and stability
- Compact SOP-8 package design
- High-frequency operation support
- Reduced external component count
- High power density capability
Applications:
- Fast charging adapters
- USB and mobile chargers
- Smart power supplies
- LED driver systems
- Compact SMPS designs
- Consumer electronics power modules
- Low-power offline converters
- Energy-efficient AC-DC adapter solutions
