The MX9320B 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 delivers stable performance while minimizing switching losses and improving overall system efficiency. Its optimized internal architecture reduces conduction losses, ensuring excellent thermal stability and consistent operation under continuous load conditions.
With a robust 700V high-voltage capability, the MX9320B offers strong safety margins and enhanced reliability compared to lower voltage AC-DC solutions. This makes it highly suitable for universal AC input applications, particularly in environments with voltage fluctuations, surge events, or unstable power grids. The integrated control and switching functions reduce external component count, simplifying circuit design and improving overall system reliability.
Housed in a compact HSOP-7 package, the MX9320B provides excellent PCB layout flexibility and efficient heat dissipation, making it ideal for space-constrained and high-density electronic designs. It is widely used in AC-DC adapters, LED lighting drivers, smart home devices, industrial auxiliary power systems, and consumer electronics.
Combining high efficiency, compact integration, and strong high-voltage capability, the MX9320B is a dependable solution for modern power supply applications requiring stability, durability, and energy efficiency.
Key Features:
- 700V high-voltage AC-DC integrated power IC
- 20W-class efficient power conversion capability
- Fast switching technology for reduced losses
- Low conduction loss and strong thermal stability
- Reduced external component count
- High surge and voltage tolerance
- Compact HSOP-7 package for flexible PCB design
- Reliable long-term operation
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