MORNSUN LD05-23BxxR2P: 5W Ultra-Wide Input AC-DC Converter for Compact, Reliable Power

Finding a compact, reliable AC-DC power solution that can handle wildly fluctuating input voltages from industrial grids or renewable sources is a common design hurdle. The MORNSUN LD05-23BxxR2P Series directly addresses this challenge. This 5W AC-DC converter series delivers exceptional input flexibility, robust safety isolation, and high reliability in a remarkably small plastic package, making it an ideal choice for space-constrained and environmentally demanding applications across industries.

Core Features: Engineered for Extreme Versatility and Safety

The MORNSUN LD05-23BxxR2P stands out with features designed for global and resilient operation:

• Unmatched Input Voltage Range: It features an ultra-wide AC input range of 85-305VAC and simultaneously accepts a DC input of 100-430VDC. This unparalleled flexibility ensures stable operation across diverse and unstable power grids, including high-voltage industrial settings, and is perfect for systems with battery backup or DC sources.
• Superior Safety and Isolation: Safety is paramount. The converter provides reinforced isolation with a high 4200VAC isolation test voltage and an impulse withstand voltage of 6000VDC between input and output. This robust isolation barrier is critical for protecting sensitive downstream electronics and meeting stringent safety standards.
• Compact and Robust Design: Housed in a flame-retardant plastic case (UL94V-0) measuring just 37.50 x 21.00 x 19.00mm, it offers high power density. It operates reliably across an extended ambient temperature range of -40°C to +85°C and can be used at altitudes up to 5000 meters.
• High Efficiency and Low Consumption: With efficiency up to 82% and an ultra-low no-load power consumption of only 0.10W, it minimizes energy waste and heat generation, contributing to overall system efficiency.
• Comprehensive Protections & Compliance: Built-in short-circuit and over-current protection (with self-recovery) safeguards the module and the load. Its EMI performance meets CISPR32/EN55032 Class B, and it complies with key international safety standards including EN/BS EN62368-1.

Complete Product Model Selection

The series offers six models to provide precise voltage and current for your 5W application. All models share the core features of ultra-wide input and high isolation.

• LD05-23B03R2P: Outputs 3.3V at 1000mA (3.3W) with 71% typical efficiency.
• LD05-23B05R2P: Outputs 5V at 1000mA (5W) with 77% typical efficiency.
• LD05-23B09R2P: Outputs 9V at 555mA (5W) with 79% typical efficiency.
• LD05-23B12R2P: Outputs 12V at 416mA (5W) with 80% typical efficiency.
• LD05-23B15R2P: Outputs 15V at 333mA (5W) with 81% typical efficiency.
• LD05-23B24R2P: Outputs 24V at 208mA (5W) with 82% typical efficiency.

Technical Specifications and Ideal Applications

The MORNSUN LD05-23BxxR2P delivers stable performance with an output voltage accuracy of ±5% and low ripple & noise (<120mVp-p). It boasts a calculated MTBF of over 1,000,000 hours at 25°C, underscoring its exceptional reliability for critical systems.

This combination of wide input, compact size, and high isolation makes it perfect for:

• Industrial Controls: PLCs, sensor interfaces, and actuator power in variable voltage environments.
• Smart Home & Appliances: Power for controllers, displays, and IoT hubs.
• Instrumentation & Communication: Isolated power for measurement devices and network equipment.
• General-Power Civil Applications: Any application requiring a small, robust, and versatile AC-DC power brick replacement.

Conclusion

For designers who need a power supply that won't falter under voltage swings and cannot compromise on safety or space, the MORNSUN LD05-23BxxR2P Series is a superior solution. It transforms the challenge of unreliable input power into a non-issue, providing a compact, efficient, and utterly reliable foundation for your next project.

For detailed application notes or technical support, please contact us at Vic@feisman.cn.