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style="line-height: 1.75em; text-indent: 2em;"><a href="http://www.mbaorg.cn/brand/98.html" target="_self" style="font-size: 14px; color: rgb(0, 112, 192); text-decoration: underline;"><span style="font-size: 14px; color: rgb(0, 112, 192);">Murata村田</span></a><span style="font-size: 14px;">电源解决方案推出的7805SR-C(5V输出)、7812SR-C(12V输出)和7803SR-C(3.3V输出)降压开关稳压器，是LM7805和LM7812线性稳压器的替代产品，效率更高、性能更卓越。该系列稳压器引脚与TO-220 SIP封装完全兼容，开关频率高达260kHz，效率可至95%。在+70°C高温环境下，无论电源为9V、12V、24V还是36V，全负载(高达0.5A)运行时均无需散热片、降温措施、强制风冷或外部电容器。相较于线性稳压器，78SR系列具备更低静态电流(3mA对比5mA)、更高输入电压(40V对比32V)及更精准的输出(±2%对比±5%)，使其成为LM7805和LM7812应用的理想替代之选，尤其适用于高电压满负荷工作场景。</span></p><p style="line-height: 1.75em; text-indent: 2em; text-align: center;"><span style="font-size: 14px;"><img src="/public/ueditor/upload/image/20240321/1710991066621527.png" title="Murata村田78xxSR系列非隔离DCDC转换器?？? alt="Murata村田78xxSR系列非隔离DCDC转换器?？? width="283" height="191"/></span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong>特性：</strong></span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">3.3V/0.5A、5V/0.5A或12V/0.4A输出;引脚和尺寸与LM7805和LM7812稳压器兼容</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">高达95%的效率-不需要散热器或热降额</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">两个sip封装适合现有的TO-220足迹:</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">-垂直针模型占用小于0.1平方英寸。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">-可选的水平销提供0.350英寸。安装高度</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+7.5-36Vdc工作输入范围;低3mA静态电流</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">内置滤波电容器-不需要外部元件</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">满负荷工作-40至+70°C;短路?；?/span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">优良的负载(±0.2%)和线路(±0.3%)调节</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">适用于9V/12V/24V/28V电源或电池供电</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">可用于无调节直流电源?；?/span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong>产品型号：</strong></span></p><table width="80%" border="1" style="text-align: center; margin: 0 auto;"><colgroup><col width="94" style="width:94px"/><col width="82" style="width:82px"/><col width="46" style="width:46px"/><col width="146" style="width:146px"/></colgroup><tbody><tr style="height:31px" class="firstRow"><td width="94" style="background-color: rgb(237, 245, 250);"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong>MPS Part No</strong></span></p></td><td width="82" style="background-color: rgb(237, 245, 250);"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong> Output<br/> Voltage</strong></span></p></td><td width="46" style="background-color: rgb(237, 245, 250);"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong>Output<br/>Current</strong></span></p></td><td width="146" style="background-color: rgb(237, 245, 250);"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"><strong>Input<br/>Voltage</strong></span></p></td></tr><tr style="height:16px"><td style="" rowspan="1" colspan="4"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">Standard Pin Package</span></p></td></tr><tr style="height:13px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7803SR-C</span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"> +3.3Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.5A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+7.5-36Vdc</span></p></td></tr><tr style="height:13px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7805SR-C</span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"> +5.0Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.5A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+75-36Vdc</span></p></td></tr><tr style="height:13px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7812SR-C</span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;"> +12.0Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.4A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+15-36Vdc</span></p></td></tr><tr style="height:39px"><td colspan="4" width="369" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">Horizontal Pin Package</span></p></td></tr><tr style="height:19px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7803SRH-C </span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+3.3Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.5A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+7.5-36Vdg</span></p></td></tr><tr style="height:19px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7805SRH-C</span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+5.0Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.5A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+7.5-36Vdc</span></p></td></tr><tr style="height:19px"><td width="94" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">7812SRH-C</span></p></td><td width="82" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+12.0Vdc</span></p></td><td width="46" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">0.4A</span></p></td><td width="146" style=""><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 14px;">+15-36Vdc</span></p></td></tr></tbody></table><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; color: rgb(102, 102, 102); font-family: 微软雅黑, "Microsoft YaHei", sans-serif, arial, Arial; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 1.75em; text-indent: 2em;"><strong style="box-sizing: border-box; margin: 0px; padding: 0px; list-style: none;"><span style="box-sizing: border-box; margin: 0px; padding: 0px; list-style: none; font-size: 14px;">相关推荐：</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; color: rgb(102, 102, 102); font-family: 微软雅黑, "Microsoft YaHei", sans-serif, arial, Arial; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 1.75em; text-indent: 2em;"><a href="http://www.mbaorg.cn/article/3156.html" target="_self" 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