Demanding Applications Demand Reliable Power: Introducing the MORNSUN LD05-23BxxR2 5W DC/DC Converter Series

In the world of industrial automation, telecommunications, and instrumentation, system integrity is paramount. Sensitive control logic and communication interfaces require power that is not only precise but also isolated and immune to the noisy, unpredictable environments they operate in. This is where specialized components like isolated DC/DC converters become critical. For engineers seeking a compact, reliable, and high-performance solution, the MORNSUN LD05-23BxxR2 series stands out as an optimal choice. This 5W industrial-grade converter delivers exceptional isolation and stability in a miniature package, making it a cornerstone for robust system design. Core Features of the MORNSUN LD05-23BxxR2 Series Designed for resilience and versatility, the LD05-23BxxR2 series from MORNSUN incorporates key features that address common design challenges in power isolation and conversion. Ultra-Wide 2:1 Input Ranges: The series offers exceptional input flexibility with two standard options: 9-18VDC and 18-36VDC. This wide input voltage tolerance makes it ideal for systems powered by fluctuating battery sources or unregulated industrial bus voltages, ensuring stable operation even when the input is not perfectly steady. High Efficiency and Thermal Performance: With a typical efficiency of up to 86%, these converters minimize power loss and heat generation. This high efficiency is crucial for maintaining reliability in enclosed spaces and contributes to the overall energy efficiency of the end application. Superior Isolation & Safety: A key selling point is its high isolation voltage of 3000VAC. This robust isolation barrier effectively breaks ground loops, protects sensitive downstream circuits from high-voltage transients on the input side, and enhances overall system safety and noise immunity. Extended Operating Temperature Range: Engineered for harsh environments, the series operates reliably across a wide ambient temperature range of -40°C to +105°C. This makes it suitable for applications in demanding industrial settings, outdoor equipment, or anywhere temperatures can vary dramatically. Comprehensive Protection: Built-in safeguards including short-circuit, over-current, and input under-voltage protection ensure the longevity of both the converter itself and the valuable load it powers. These features provide peace of mind and reduce the risk of system failure due to electrical faults. Compact SIP Package: Housed in a compact and industry-standard SIP-7 (Single In-line Package) with dimensions of just 19.5 x 10.0 x 6.5 mm, it saves valuable PCB real estate, enabling denser and more innovative product designs. Complete Product Lineup: Find Your Perfect Model The MORNSUN LD05-23BxxR2 series provides a comprehensive selection of standard output voltages to meet diverse low-power requirements. Below is the complete list of available models as per the product selection guide.

Model Number	Input Voltage Range (VDC)	Output Voltage (V)	Output Current (mA)	Output Power (W)
LD05-23B03R2	9-18; 18-36	3.3	1000	3.3
LD05-23B05R2	9-18; 18-36	5.0	1000	5.0
LD05-23B09R2	9-18; 18-36	9.0	550	4.95
LD05-23B12R2	9-18; 18-36	12.0	420	5.04
LD05-23B15R2	9-18; 18-36	15.0	330	4.95
LD05-23B24R2	9-18; 18-36	24.0	210	5.04

Technical Specifications and Compliance The reliable performance of the MORNSUN LD05-23BxxR2 is backed by solid technical specifications and adherence to international standards. It operates at a high switching frequency of 400KHz (typical), contributing to its compact size. The device offers excellent line and load regulation, ensuring a stable output voltage despite variations in input or load conditions. For system safety and global market access, its design complies with the UL/EN/IEC 62368-1 safety standard. It also demonstrates good Electromagnetic Compatibility (EMC), with performance referenced to key immunity standards like IEC/EN61000-4-2/4/5/6. This compliance is essential for integrating the converter into products that must meet stringent regulatory requirements for sale and use worldwide. Ideal Target Applications The combination of wide input range, high isolation, and a compact footprint makes the MORNSUN LD05-23BxxR2 series exceptionally versatile. It is perfectly suited for powering isolated subsystems within: Industrial Control Systems (ICS): PLCs, sensor interfaces, isolators, and fieldbus communication modules. Telecommunications Equipment: Fiber optic networking devices, routers, and switch interfaces requiring isolated power for data lines. Instrumentation & Measurement: Data acquisition systems, test equipment, and medical devices where signal integrity is critical. Building Automation: Control panels, HVAC controllers, and security system components. Conclusion For designers who cannot compromise on power integrity, the MORNSUN LD05-23BxxR2 5W DC/DC converter series offers a compelling blend of reliability, safety, and miniaturization. Its high isolation voltage, wide input ranges, and robust protective features make it a trusted, off-the-shelf solution for creating resilient electronic systems in the most challenging environments. For specific application notes, detailed datasheets, or design support regarding the MORNSUN LD05-23BxxR2 series, please contact us at Vic@feisman.cn.