Analog Devices Inc. MAX18002超聲波升壓轉(zhuǎn)換器是一款高性能集成電路,具有0.5V至5.5V輸入電壓范圍和3.6A開關(guān)電流限制。MAX18002在低負(fù)載下工作在超聲波模式 (USM)(FSW典型值為29kHz),在較高負(fù)載電流下轉(zhuǎn)換到跳躍模式和連續(xù)導(dǎo)通模式 (CCM)。當(dāng)輸入電壓高于輸出電壓時,該器件工作在直通模式。輸出電壓可在2.5V和5.5V之間改變(VOUT > 5V時USM被禁用),使用單個RSEL電阻器改變。該1.07mm x 1.57mm、6焊球晶圓級封裝 (WLP) 元件具有True Shutdown?模式,在EN引腳被拉低時,斷開VIN 和VOUT 。在VOUT < 0.5V時短路保護(hù)電路將電流限制為700mA,在故障消除時自動重啟器件。當(dāng)結(jié)溫超過+165°C(典型值)時,熱關(guān)斷保護(hù)禁用器件。
數(shù)據(jù)手冊:*附件:Analog Devices , Maxim Integrated MAX18002超聲波升壓轉(zhuǎn)換器數(shù)據(jù)手冊.pdf
特性
- 0.5V至5.5V輸入電壓
- 1.8V最低啟動電壓
- 2.5V到5.5V(步進(jìn)為100mV)輸出電壓
- 3.6A逐周期電感器電流限制
- 當(dāng)V
IN> VOUT時,自動進(jìn)入直通模式 - 超聲波模式(FSW典型值為29kHz)緩解輕載操作時的聲學(xué)可聽干擾
- 95%峰值效率(3.6V
IN,5VOUT) - True-shutdown模式:
- 7nA關(guān)斷電流
- 輸出與輸入斷開,無正向或反向電流
- 輸出短路保護(hù)
- 熱關(guān)斷保護(hù)
- 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
簡化框圖
-
集成電路
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