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<div id=product-guid1><a href=../index.html>首页</a> > <a href=index.html>产品中心</a> > <a href=category1-2.html>电源管理IC</a> > DC-DC开关电源</div>

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<div id=product-0><h1>DC-DC开关电源（国产替代 ・ 原厂直供 ・ 引脚兼容）</h1></div>
<div id=product-2><a href="https://www.dxdz-ic.com/product/category2-5.html" target="_blank">DC-DC开关电源</a>是电子系统的“高效电能转换器”，通过高频开关方式对直流电压进行升压、降压或反相变换。与<a href="https://www.dxdz-ic.com/product/category2-4.html" target="_blank">线性稳压器</a>不同，开关电源的功率管工作在完全导通或完全关断的开关状态，仅在状态转换瞬间耗散功率，因此转换效率可达85%-95%，远高于线性稳压器的线性区工作方式。<br>深圳市鼎芯电子<a href="https://www.dxdz-ic.com/" target="_blank">集成电路</a>有限公司深耕DC-DC开关电源领域，以降压（Buck）转换器和升压（Boost）转换器为核心产品线，提供宽输入电压范围、高效率、低静态功耗的国产开关电源解决方案，服务于工业控制、消费电子、通信设备及汽车电子等多元场景。<br>鼎芯电子的DC-DC开关电源产品针对国产替代核心需求进行了专项优化：<br>高效率与低功耗并重：同步整流架构减少导通损耗，轻载脉冲跳跃模式保持高待机效率。<br>宽电压适配：覆盖从电池供电设备到工业24V系统的全场景输入需求。<br>高可靠性设计：内置过流保护、过压保护、热关断保护，故障时自动关断，确保系统安全。<br>供货稳定：依托深圳制造基地与成熟供应链，交期短、价格优。<br><strong>鼎芯电子DC-DC开关电源引脚兼容主流进口型号，欢迎免费申请样品！</strong></div>
<div id=product-0><h2>DC-DC开关电源-产品选型表</h2></div>
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<tr>

<td  valign="top" style="background-color:#eee;"><strong>工作电压（Vcc）(v)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=3%2D40V&CategoryID=5&AttributeID=34#product rel="nofollow">3-40V</a><br>

<a href=product-list.asp?csz=4%7E36V&CategoryID=5&AttributeID=34#product rel="nofollow">4~36V</a><br>

<a href=product-list.asp?csz=4%7E40V&CategoryID=5&AttributeID=34#product rel="nofollow">4~40V</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>输出电流Iout (Max)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=1%2E5A&CategoryID=5&AttributeID=35#product rel="nofollow">1.5A</a><br>

<a href=product-list.asp?csz=2A&CategoryID=5&AttributeID=35#product rel="nofollow">2A</a><br>

<a href=product-list.asp?csz=3A&CategoryID=5&AttributeID=35#product rel="nofollow">3A</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>静态功耗Iq(Typ)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=2%2E5mA&CategoryID=5&AttributeID=36#product rel="nofollow">2.5mA</a><br>

<a href=product-list.asp?csz=4mA&CategoryID=5&AttributeID=36#product rel="nofollow">4mA</a><br>

<a href=product-list.asp?csz=80uA&CategoryID=5&AttributeID=36#product rel="nofollow">80uA</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>输出电压Vout</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=3%2E3V+5%2E0V+12V+ADJ&CategoryID=5&AttributeID=37#product rel="nofollow">3.3V 5.0V 12V ADJ</a><br>

<a href=product-list.asp?csz=%BF%C9%B5%F7&CategoryID=5&AttributeID=37#product rel="nofollow">可调</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>频率Freq (Hz)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=100Khz&CategoryID=5&AttributeID=38#product rel="nofollow">100Khz</a><br>

<a href=product-list.asp?csz=150Khz&CategoryID=5&AttributeID=38#product rel="nofollow">150Khz</a><br>

<a href=product-list.asp?csz=52Khz&CategoryID=5&AttributeID=38#product rel="nofollow">52Khz</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>效率Efficiency(%)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=80&CategoryID=5&AttributeID=39#product rel="nofollow">80</a><br>

<a href=product-list.asp?csz=83&CategoryID=5&AttributeID=39#product rel="nofollow">83</a><br>

<a href=product-list.asp?csz=87&CategoryID=5&AttributeID=39#product rel="nofollow">87</a><br>

<a href=product-list.asp?csz=88&CategoryID=5&AttributeID=39#product rel="nofollow">88</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>工作温度 Operation Temperature Range(℃)</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=0%7E70%A1%E6&CategoryID=5&AttributeID=40#product rel="nofollow">0~70℃</a><br>

<a href=product-list.asp?csz=%2D40%7E125%A1%E3C&CategoryID=5&AttributeID=40#product rel="nofollow">-40~125°C</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>封装</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=DIP%2D8+SOP%2D8&CategoryID=5&AttributeID=41#product rel="nofollow">DIP-8 SOP-8</a><br>

<a href=product-list.asp?csz=TO%2D220%2D5+TO%2D263%2D5&CategoryID=5&AttributeID=41#product rel="nofollow">TO-220-5 TO-263-5</a><br>
</div>
</td>

<td  valign="top" style="background-color:#eee;"><strong>替代</strong><div style="max-height:300px; overflow-y:auto; overflow-x:hidden;">

<a href=product-list.asp?csz=LM2575&CategoryID=5&AttributeID=42#product rel="nofollow">LM2575</a><br>

<a href=product-list.asp?csz=LM2576&CategoryID=5&AttributeID=42#product rel="nofollow">LM2576</a><br>

<a href=product-list.asp?csz=LM2596+AP1501+HG1501+TD1501+XL2596+XL1501&CategoryID=5&AttributeID=42#product rel="nofollow">LM2596 AP1501 HG1501 TD1501 XL2596 XL1501</a><br>

<a href=product-list.asp?csz=MC33063&CategoryID=5&AttributeID=42#product rel="nofollow">MC33063</a><br>

<a href=product-list.asp?csz=MC34063&CategoryID=5&AttributeID=42#product rel="nofollow">MC34063</a><br>
</div>
</td>

  </tr>
</table><a name="product"></a>
</div>

<div id=width1280></div>
<div id=product-tab>
<table width="100%" border="0" cellpadding="10" cellspacing="1">
  <tr><td align="center" valign="top" bgcolor="#ffb027"><strong>图片</strong></td>
  <td align="center" valign="top" bgcolor="#ffb027"><strong>型号</strong></td>

<td align="center" bgcolor="#ffb027"><strong>工作电压（Vcc）(v)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>输出电流Iout (Max)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>静态功耗Iq(Typ)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>输出电压Vout</strong></td>

<td align="center" bgcolor="#ffb027"><strong>频率Freq (Hz)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>效率Efficiency(%)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>工作温度 Operation Temperature Range(℃)</strong></td>

<td align="center" bgcolor="#ffb027"><strong>封装</strong></td>

<td align="center" bgcolor="#ffb027"><strong>替代</strong></td>

  </tr>
<tr bgcolor="#f5f5f5" align="center">
<td><img src=../images/upfiles/8101140.jpg width=60 alt="LM2575DC-DC开关电源" title="LM2575DC-DC开关电源"></td>
<td><strong><a href="LM2575.html" target="_blank" style="color:#F60">LM2575</a></strong></td>

<td>4~36V</td>

<td>2A</td>

<td>80uA</td>

<td>3.3V 5.0V 12V ADJ</td>

<td>52KHz</td>

<td>80</td>

<td>-40~125°C</td>

<td>TO-220-5 TO-263-5</td>

<td>LM2575</td>

</tr><tr bgcolor="#f5f5f5" align="center">
<td><img src=../images/upfiles/8107500.jpg width=60 alt="LM2576DC-DC开关电源" title="LM2576DC-DC开关电源"></td>
<td><strong><a href="LM2576.html" target="_blank" style="color:#F60">LM2576</a></strong></td>

<td>4~40V</td>

<td>3A</td>

<td>80uA</td>

<td>3.3V 5.0V 12V ADJ</td>

<td>52Khz</td>

<td>87</td>

<td>-40~125°C</td>

<td>TO-220-5 TO-263-5</td>

<td>LM2576</td>

</tr><tr bgcolor="#f5f5f5" align="center">
<td><img src=../images/upfiles/8105210.jpg width=60 alt="LM2596DC-DC开关电源" title="LM2596DC-DC开关电源"></td>
<td><strong><a href="LM2596.html" target="_blank" style="color:#F60">LM2596</a></strong></td>

<td>4~40V</td>

<td>3A</td>

<td>80uA</td>

<td>3.3V 5.0V 12V ADJ</td>

<td>150Khz</td>

<td>83</td>

<td>-40~125°C</td>

<td>TO-220-5 TO-263-5</td>

<td>LM2596 AP1501 HG1501 TD1501 XL2596 XL1501</td>

</tr><tr bgcolor="#f5f5f5" align="center">
<td><img src=../images/upfiles/8103320.jpg width=60 alt="MC33063DC-DC开关电源" title="MC33063DC-DC开关电源"></td>
<td><strong><a href="MC33063.html" target="_blank" style="color:#F60">MC33063</a></strong></td>

<td>3-40V</td>

<td>1.5A</td>

<td>4mA</td>

<td>可调</td>

<td>100Khz</td>

<td>88</td>

<td>0~70℃</td>

<td>DIP-8 SOP-8</td>

<td>MC33063</td>

</tr><tr bgcolor="#f5f5f5" align="center">
<td><img src=../images/upfiles/8100480.jpg width=60 alt="MC34063DC-DC开关电源" title="MC34063DC-DC开关电源"></td>
<td><strong><a href="MC34063.html" target="_blank" style="color:#F60">MC34063</a></strong></td>

<td>3-40V</td>

<td>1.5A</td>

<td>2.5mA</td>

<td>可调</td>

<td>100Khz</td>

<td>88</td>

<td>0~70℃</td>

<td>DIP-8 SOP-8</td>

<td>MC34063</td>

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