The HC3793B from HCW-HENGCHENGWEI is a high-efficiency AC-DC integrated circuit designed for compact, reliable, and energy-optimized offline power conversion. Built with advanced high-voltage fast-switching technology, this IC ensures stable performance under demanding electrical conditions while maintaining low switching losses and improved conversion efficiency. Its optimized internal architecture supports efficient power handling with excellent thermal stability and long-term operational reliability.
The HC3793B is engineered for high-voltage AC input applications, offering strong safety margins compared to lower voltage series devices. This makes it highly suitable for environments with unstable power conditions, voltage surges, and wide input ranges. The integrated control and switching functions reduce external component requirements, simplifying circuit design and improving overall system efficiency and reliability.
Packaged in a compact SOP-7 form factor, the HC3793B provides excellent PCB layout flexibility and efficient heat dissipation, making it ideal for space-constrained designs. It is widely used in AC-DC adapters, LED lighting drivers, smart home systems, industrial auxiliary power supplies, and consumer electronics.
Combining high efficiency, compact integration, and robust high-voltage capability, the HC3793B is a dependable solution for modern power supply applications requiring performance, stability, and durability.
Key Features:
- High-voltage AC-DC integrated circuit
- Efficient 20W-class power conversion capability
- Fast switching technology for low losses
- High system efficiency and thermal stability
- Reduced external component count
- Strong surge and voltage tolerance
- Compact SOP-7 package for flexible PCB design
- Reliable long-term performance
Applications:
- AC-DC power adapters
- LED lighting drivers
- Smart home and IoT devices
- Industrial auxiliary power systems
- Consumer electronics power supplies
- Offline switching power conversion systems
