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TI推出业界最小封装和最高效率的SIMPLE SWITCHER®同步转换器

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<font color="#FD8900">高集成度宽输入电压DC/DC降压稳压器简化工业电源设计</font>

<p><span>德州仪器</span><span>（TI）</span><span>(NASDAQ: TXN)<span>&nbsp;</span></span><span>近日</span><span>宣布推出两款采用超小型</span><span>Hot Rod™</span><span><span>&nbsp;</span></span><span>QFN</span><span>封装的宽</span><span>输入</span><span>电压</span><span>同步</span><span>SIMPLE SWITCHER® DC/DC</span><span>降压稳压器。高集成度</span><span>的</span><span>3A</span><a href="http://www.ti.com.cn/product/cn/LMR33630?HQS=app-bsr-ccp-lmr33630_lmr36…;和</span><span>2A<span>&nbsp;</span></span><a href="http://www.ti.com.cn/product/cn/LMR33620?HQS=app-bsr-ccp-lmr33620_lmr36…;降压转换器具有业内最佳的满载效率</span><span>（</span><span>92％</span><span>）</span><span>，</span><span>专</span><span>用于</span><span>严苛</span><span>并</span><span>对可靠性有高要求</span><span>的工业电源</span><span>；同时</span><span>，</span><span>开关</span><span>频率最高</span><span>可至</span><span>2.1 MHz</span><span>。</span><span>这两款</span><span>转换器与</span><span>TI</span><span>的</span><span>WEBENCH®</span><span>电源</span><span>设计工具配合使用，</span><span>不仅</span><span>可以简化</span><span>功率</span><span>转化</span><span>，</span><span>还可以加速设计进程。</span><span>如需了解更多信息</span><span>、</span><span>获得样片和评估模块</span><span>，</span><span>敬请访问</span><a href="http://www.ti.com.cn/lmr33630-pr-cn"><span>www.ti.com.cn/lmr33630-pr-cn…;。</span></p>

<p><span>3.8V</span><span>至</span><span>36V</span><span>的</span><span>LMR33630</span><span>和</span><span>LMR33620</span><span>降压稳压器采用</span><span>3mm×2mm</span><span>的散热增强型封装。这款小巧的</span><span>HotRod™ QFN</span><span>封装具有</span><span>独特的可润湿侧翼</span><span>，</span><span>能够通过</span><a href="http://e2e.ti.com/blogs_/b/behind_the_wheel/archive/2018/01/23/make-aut…;焊后光学检测</span></a><span>简化制造</span><span>流程的同时，还使得</span><span>LMR33630</span><span>在</span><span>3A</span><span>电流时</span><span>具有业界</span><span>最高的</span><span>0.5A/mm</span><span>2</span><span>功率密度</span><span>。</span><span>优化的封装结构和对称的引脚布局最大限度地降低寄生电感，并帮助优化输入旁路电容的布局，减少传导和辐射。观看</span><a href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac…;“</span></a><a href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac…;利用</span></a><a href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac… href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac…;封装降低</span></a><a href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac… href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac…;和缩小解决方案尺寸</span></a><a href="https://training.ti.com/reduce-emi-and-shrink-solution-size-hot-rod-pac…;”</span></a><span>视频。</span></p>

<p><strong>LMR336</strong><strong>3</strong><strong>0</strong><strong>和</strong><strong>LMR3362</strong><strong>0</strong><strong>的主要特</strong><strong>性</strong><strong>及</strong><strong>优势</strong></p>

<ul>
<li><span>新的</span><span>DC/DC</span><span>转换器为</span><span>标称</span><span>12V</span><span>或</span><span>2</span><span>4V</span><span>的系统提供</span><span>最高</span><span>可至</span><span>36V</span><span>的工作输入电压范围</span><span>，相关</span><span>系统包括：</span><span>工厂自动化、家庭自动化、电机驱动、逆变器及伺服控制单元等</span><span>。</span><span>针对高达</span><span>60V</span><span>的应用，</span><span>TI</span><span>推出了</span><span>600</span><span>mA</span><span><span>&nbsp;</span></span><a href="http://www.ti.com.cn/product/cn/LMR36006?HQS=app-bsr-ccp-lmr33630_lmr36…;及</span><span>采用引脚兼容封装的</span><span>1.5A<span>&nbsp;</span></span><a href="http://www.ti.com.cn/product/cn/LMR36015?HQS=app-bsr-ccp-lmr33630_lmr36…;同步降压转换器。</span></li>
<li><span>36V</span><span>稳压器在</span><span>24V</span><span>IN</span><span>、5V</span><span>OUT</span><span>和</span><span>400kHz</span><span>开关频率下可实现</span><span>92％</span><span>的满载效率。超低的</span><span>24μA</span><span>典型待机静态电流可提高轻载效率。</span></li>
<li><span>除</span><span>QFN</span><span>封装之外，</span><span>36-V</span><span>稳压器还提供了高热效率的</span><span>8pin、5mm×6mm</span><span>小型集成电路</span><span>（SOIC）</span><span>封装</span><span>，</span><span>提供</span><span>13.8ºC/W</span><span>的超低热率</span><span>（</span><span>Ψ</span><span>JB）</span><span>，以进一步提高可靠性。观看</span><a href="https://training.ti.com/trade-offs-between-thermal-performance-and-smal…;“</span></a><a href="https://training.ti.com/trade-offs-between-thermal-performance-and-smal…;利用</span></a><a href="https://training.ti.com/trade-offs-between-thermal-performance-and-smal… href="https://training.ti.com/trade-offs-between-thermal-performance-and-smal…;转换器在热性能和小尺寸解决方案之间进行权衡</span></a><a href="https://training.ti.com/trade-offs-between-thermal-performance-and-smal…;”</span></a><span>视频。</span></li>
</ul>

<p><strong>封装及</strong><strong>供货</strong></p>

<p><span>现可通过</span><span>TI</span><span><span>&nbsp;</span>store</span><span>和授权分销商订购</span><span>采用</span><span>12</span><span>引脚<span>&nbsp;</span></span><span>HotRod</span><span>封装的</span><span>36V<span>&nbsp;</span></span><a href="https://store.ti.com/LMR33630BRNXT.aspx?HQS=app-bsr-ccp-lmr33630_lmr360…;和</span><a href="https://store.ti.com/LMR33620BRNXT.aspx?HQS=app-bsr-ccp-lmr33630_lmr360…;。</span><span>现可通过</span><span>TI store</span><span>订购</span><span>采用</span><span>12</span><span>引脚</span><span><span>&nbsp;</span>HotRod</span><span>封装的</span><span>60V<span>&nbsp;</span></span><a href="http://www.ti.com/product/LMR36015/samplebuy?HQS=app-bsr-ccp-lmr33630_l…;和</span><a href="http://www.ti.com/product/LMR36006/samplebuy?HQS=app-bsr-ccp-lmr33630_l…;以及</span><span>采用</span><span>8</span><span>引脚<span>&nbsp;</span></span><span>SOIC</span><span>封装</span><span>的</span><span>36V<span>&nbsp;</span></span><a href="https://store.ti.com/LMR33630ADDAR.aspx?HQS=app-bsr-ccp-lmr33630_lmr360…;和</span><a href="https://store.ti.com/LMR33620ADDAR.aspx?HQS=app-bsr-ccp-lmr33630_lmr360…;。</span></p>

<p><strong>订购评估模块。</strong></p>

<ul>
<li><a href="https://store.ti.com/LMR33630ARNXEVM-LMR33630-Synchronous-Step-Down-Con…;
<li><a href="https://store.ti.com/LMR33630CRNXEVM-LMR33630-Synchronous-Step-Down-Con…;
<li><a href="https://store.ti.com/LMR33630CDDAEVM-LMR33630CDDAEVM-P53481.aspx?HQS=ap…;
<li><a href="https://store.ti.com/LMR33630ADDAEVM-LMR33630-Synchronous-Step-Down-Con…;
<li><a href="http://www.ti.com/tool/lmr36015aevm?HQS=app-bsr-ccp-lmr33630_lmr36015-p…;
</ul>

<p><span>下载相关</span><span>参考设计</span></p>

<ul>
<li><a href="http://www.ti.com.cn/tool/cn/PMP15040?HQS=app-bsr-ccp-lmr33630_lmr36015…;支持尺寸敏感型传感器的宽输入</span><span><span><span>电</span></span></span><span>压电源</span><span><span><span><span>参</span></span></span></span><span>考</span><span><span>设</span></span><span>计</span></a></li>
<li><a href="http://www.ti.com.cn/tool/cn/pmp15039?HQS=app-bsr-ccp-lmr33630_lmr36015…;支持</span></a><a href="http://www.ti.com.cn/tool/cn/pmp15039?HQS=app-bsr-ccp-lmr33630_lmr36015…;现场发送器的</span></a><a href="http://www.ti.com.cn/tool/cn/pmp15039?HQS=app-bsr-ccp-lmr33630_lmr36015…;二级电源参考设计</span></a></li>
</ul>

<p><strong>了解更多</strong><strong>TI</strong><strong>电源产品</strong></p>

<ul>
<li><span>获取有关</span><span>TI</span><span><span>&nbsp;</span></span><a href="http://www.ti.com.cn/zh-cn/power-management/non-isolated-dc-dc-switchin… href="http://www.ti.com.cn/zh-cn/power-management/non-isolated-dc-dc-switchin…;开关稳压器</span></a><span>和所有</span><span>TI</span><a href="http://www.ti.com.cn/zh-cn/power-management/overview.html?HQS=app-bsr-c…;电源管理产品</span></a><span>的更多信息。</span></li>
<li><span>查看</span><span>TI</span><a href="http://www.ti.com.cn/general/cn/docs/refdesignsearchresults.tsp?HQS=app…;参考设计库</span></a><span>中的所有电源设计。</span></li>
<li><span>加入</span><a href="http://e2echina.ti.com/question_answer/analog/power_management?HQS=app-… E2ETM</span></a><a href="http://e2echina.ti.com/question_answer/analog/power_management?HQS=app-…;中文社区电源管理论坛</span></a><span>，寻找解决方案，获得帮助，并与同行工程师和</span><span>TI</span><span>专家分享知识和解决难题。</span></li>
</ul>