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大联大世平集团推出基于ON Semiconductor产品的300W PC电源解决方案

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<p><a href="http://www.wpgholdings.com/"><span><span>大联大控股</span></span></a><span><…,其旗下</span><span><span>世平</span></span><span><span>推出基于</span></span><span>安森美半导体</span><span>(</span><span>ON</span><span><span>&nbsp;</span></span><span>Semiconductor</span><span>)</span><span>NCP1616 + NCP4390的300W PC电源解决方案。</span></p>

<p><span>随着PC技术不断突破,硬件配置大幅提升,功耗上也有所增加。与此同时,众多超频发烧友对性能的苛刻要求也对PC电源提出了新的要求。结合当下电子设备小型化成为主流的趋势,更加可靠、高效、满足小型化的电源方案具有强劲的市场需求。大联大世平推出的基于ON</span><span><span>&nbsp;</span></span><span>Semiconductor</span><span><span>&nbsp;</span></span><span>NCP1616 + NCP4390的300W PC电源解决方案,可以满足当下市场要求,提升终端用户的使用体验。</span></p>

<p><img alt="图示1-大联大世平推出基于ON Semiconductor产品的300W PC电源解决方案的场景应用图" data-entity-type="file" data-entity-uuid="c559fb47-2ad9-49a9-a43d-de40fe049e39" src="http://new.eetrend.com/files/2021-05/wen_zhang_/100113004-206897-1.jpg&…; /></p>

<p><em><span>图示1-大联大</span><span>世平</span><span>推出基于</span><span>ON</span><span><span>&nbsp;</span></span><span>Semiconductor产品的300W PC电源解决方案的场景应用图</span></em></p>

<p><span>该方案采用ON</span><span><span>&nbsp;</span></span><span>Semiconductor的PFC控制器NCP1616和带同步整流功能的LLC谐振控制器NCP4390。NCP1616是一款CrM模式PFC控制器,它基于创新的电流控制频率折回(CCFF)方法,在标称负载和轻载下最大程度提高能效。</span></p>

<p><img alt="图示2-大联大世平推出基于ON Semiconductor产品的300W PC电源解决方案的展示板图" data-entity-type="file" data-entity-uuid="12effc5f-226d-43fe-a568-6ff3a7e8279f" src="http://new.eetrend.com/files/2021-05/wen_zhang_/100113004-206898-2.png&…; /></p>

<p><em><span>图示2-大联大</span><span>世平</span><span>推出基于</span><span>ON</span><span><span>&nbsp;</span></span><span>Semiconductor产品的300W PC电源解决方案的展示板图</span></em></p>

<p><span>NCP4390是一款先进的脉冲频率调制(PFM)控制器,用于提供业界最佳隔离DC</span><span>/</span><span>DC转换器效率,包含同步整流功能(SR)的LLC谐振转换器。它采用基于电荷控制的电流模式控制技术,其中振荡器的三角波形与集成式开关电流信号结合,确定开关频率。其可为输出、传输功能提供更佳的功率级控制,能够简化回馈回路设计。</span></p>

<p><strong>核心技术优势:</strong></p>

<ul>
<li><span>集成掉电检测的高压启动电路;</span></li>
<li><span>PWM</span><span>操作模式提高轻载时效率;</span></li>
<li><span>过压保护;</span></li>
<li><span>自恢复过流、超载以及输出短路保护;</span></li>
<li><span>可编程死区时间。</span></li>
</ul>

<p><strong>方案规格:</strong></p>

<ul>
<li><span>输入电压:</span><span>90~264VAC</span><span>;</span></li>
<li><span>输出电压:</span><span>24VDC</span><span>;</span></li>
<li><span>最大输出电流:</span><span>13A</span><span>;</span></li>
<li><span>输出功率:</span><span>312W</span><span>;</span></li>
<li><span>系统效率:</span><span>110VAC</span><span>满载下——</span><span>92.74%</span><span>;</span></li>
<li><span>220VAC</span><span>满载下——</span><span>95.05%</span><span>。</span></li>
</ul>

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