MORNSUN's BxxxxS-W2R2 Series DC/DC Converter Delivers Industry-Leading Light-Load Efficiency

MORNSUN has launched the BxxxxS-W2R2 series DC/DC converters, engineered to address the critical challenge of low efficiency in light-load conditions. This series sets new benchmarks for power conversion performance, particularly in applications requiring minimal energy waste during standby or low-power operation

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Key Features & Innovations

1. Unmatched Light-Load Efficiency

   • At 50mA load current, the B0505S-W2R2 model achieves >70% efficiency—surpassing the industry average of <60%.

   • At 10mA load current, it maintains >50% efficiency, far exceeding the typical market performance of 25%

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   • Technology Insight: The design leverages optimized inductive filtering and resonant topology to minimize current stress and conduction losses, ensuring high efficiency across load ranges

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2. Robust Protection & Reliability

   • Continuous short-circuit protection safeguards against overloads.

   • Wide operating temperature range (-40°C to +105°C) ensures stability in harsh environments.

   • 1500VDC isolation enhances safety for industrial and communication systems

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3. Compact & Certified Design

   • SIP-4 package with international standard pin-out for easy integration.

   • Certified to UL60950/EN60950 safety standards

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Applications

Ideal for:

• Distributed power systems requiring voltage isolation.

• Industrial automation, telecommunications, and digital circuits where input voltage stability (±10% variation) is critical

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• Applications demanding minimal ripple/noise and long-term reliability under light loads.