HC7703D GaN ACDC IC SOP-8 | 700V High-Efficiency Power Conversion IC | HCW-HENGCHENGWEI

The HC7703D is a high-efficiency Gallium Nitride (GaN) based AC-DC integrated circuit from HCW-HENGCHENGWEI, engineered for compact and energy-efficient offline power conversion systems. Designed with advanced GaN technology, it delivers superior switching performance, significantly reducing switching losses and improving overall conversion efficiency compared to conventional silicon solutions.

With a high voltage rating of 700V, the HC7703D is well-suited for modern high-voltage primary-side switching applications. Its optimized low-loss architecture enhances thermal performance while ensuring stable operation under varying load conditions. The device supports efficient power conversion with reduced heat dissipation, improving long-term system reliability.

The SOP-8 package provides a balance of compact size and easy PCB integration, making it suitable for cost-sensitive and space-constrained designs. Its simplified external component requirement helps reduce system complexity, enabling faster design cycles and lower total BOM cost.

The HC7703D is ideal for next-generation low-power offline power supplies where efficiency, compact size, and thermal stability are critical. It supports high-frequency operation, allowing designers to achieve smaller transformer size and higher power density in modern compact power solutions.

Key Features:

• GaN-based high-efficiency AC-DC integrated circuit
• High voltage rating: 700V
• Low-loss switching performance
• Improved thermal efficiency and reliability
• Compact SOP-8 package design
• Reduced external component count
• Supports high-frequency operation
• High power density capability

Applications:

• Fast charging adapters
• USB power supplies
• Smart chargers
• LED driver systems
• Compact SMPS designs
• Consumer electronics power modules
• Low-power offline converters
• Energy-efficient power adapters