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Analog Devices / Maxim Integrated MAX18000 nanoPower升壓轉(zhuǎn)換器數(shù)據(jù)手冊

科技觀察員 ? 2025-06-13 14:23 ? 次閱讀
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Analog Devices Inc. MAX18000 nanoPower升壓轉(zhuǎn)換器具有0.5V至5.5V輸入電壓范圍、 3.6A開關(guān)電流限制和512nA超低靜態(tài)電流。該IC在低負(fù)載下工作在nanoPower模式,在較高負(fù)載電流下會(huì)轉(zhuǎn)換到跳躍和CCM工作模式,從而確保在較寬電流范圍內(nèi)的高效率。借助單個(gè)RSEL電阻,輸出電壓可在2.5V至5.5V范圍內(nèi)變化。真Shutdown?模式在EN引腳被拉低時(shí),斷開VIN 和VOUT 。ADI MAX18000還具有短路保護(hù)電路,當(dāng)VOUT < 0.5V時(shí),將電流限制在700mA,并在故障消除時(shí)自動(dòng)重新啟動(dòng)部件。當(dāng)結(jié)溫超過+165°C時(shí)(典型值),熱關(guān)斷保護(hù)會(huì)禁用該器件。這款功能齊全的1.07mm x 1.57mm、6焊球晶圓級(jí)封裝 (WLP) 非常適合用于需要長待機(jī)時(shí)間的電池供電應(yīng)用。

數(shù)據(jù)手冊:*附件:Analog Devices , Maxim Integrated MAX18000 nanoPower升壓轉(zhuǎn)換器數(shù)據(jù)手冊.pdf

特性

  • 0.5V至5.5V輸入電壓 (VOUT > VIN + 0.2V)
  • 最低啟動(dòng)電壓:1.8V
  • 輸出電壓:2.5V至5.5V(步進(jìn)為100mV)
  • 3.6A逐周期電感器限流值
  • 進(jìn)輸出靜態(tài)電流:512nA
  • 真Shutdown模式
    • 7nA關(guān)斷電流
    • 輸出從輸入斷開,沒有正向或反向電流
  • 輸出短路保護(hù)
  • 熱關(guān)斷保護(hù)
  • 峰值效率95%;大于20μA的負(fù)載,效率為90%或更高
  • 封裝:1.07mm x 1.57mm、0.5mm間距6焊球WLP
  • 工作溫度范圍:-40°C至+125°C

應(yīng)用

  • 可穿戴應(yīng)用
  • 物聯(lián)網(wǎng)應(yīng)用
  • 電池供電應(yīng)用
  • 便攜式設(shè)備
  • 計(jì)量應(yīng)用

簡化應(yīng)用圖

1.png

簡化框圖

2.png

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