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RT6150A/B是高效率的、以固定频率工作的Buck-Boost转换器,可在输入电压高于、低于或等于输出电压的条件下工作,其内部架构使之能在各种工作模式之间平滑转换,成为单节锂离子电池、多节碱性电池或镍氢电池应用中的理想选择,这些场合的输出电压介于电池电压变化范围内。</br>器件包含实现高效工作的两个N-MOSFET开关和两个P-MOSFET开关,工作频率设定于1MHz,有利于减小外部元件尺寸。其静态电流消耗在节能模式下仅有60μA,可使便携式应用的电池寿命最大化。节能工作模式是可控的,将PS引脚拉低即可实现。假如PS处于高电平,固定工作频率的工作模式即处于使能状态。</br>器件还具有关机电流消耗低、内置软起动、热关机保护和电流限制保护等特性,RT6150A的封装形式为WDFN-10L 3x3,RT6150B的封装形式为WDFN-10L 2.5x2.5。
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<li class="mv5">仅需一只电感</li><li class="mv5">无论电池电压如何变化,工作频率保持固定</li><li class="mv5">采用同步整流方式工作,效率高达90%</li><li class="mv5">持续负载能力高达800mA</li><li class="mv5">关机期间输入、输出完全断开连接</li><li class="mv5">节能模式可控</li><li class="mv5">关机电流消耗<1μA</li><li class="mv5">输入电压范围:1.8V~5.5V</li><li class="mv5">固定3.3V输出;可调输出电压范围:2.5V~5.5V</li><li class="mv5">提供10引脚WDFN封装</li><li class="mv5">符合RoHS规范,不含卤素</li>
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<li class="mv5">便携式产品</li><li class="mv5">手持式仪器</li><li class="mv5">移动电话</li><li class="mv5">平板和笔记本电脑</li><li class="mv5">物联网设备</li>
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