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          首頁 >MAX8643A>規(guī)格書列表

          型號(hào)下載 訂購功能描述制造商 上傳企業(yè)LOGO

          MAX8643A

          3A, 2MHz Step-Down Regulator with Integrated Switches

          General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over

          文件:303.04 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643A

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:324.57 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643AETG+

          3A, 2MHz Step-Down Regulator with Integrated Switches

          General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over

          文件:303.04 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643A_0709

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:321.3 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643A_09

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:324.57 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643AETG

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:324.57 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643AETG+

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:321.3 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643AETG+

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:324.57 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643AETV+

          3A, 2MHz Step-Down Regulator with Integrated Switches

          文件:324.57 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643A

          3A、2MHz、降壓型調(diào)節(jié)器,內(nèi)置開關(guān)

          MAX8643A是一款高效開關(guān)穩(wěn)壓器,輸出電壓范圍為0.6V至(0.9 x VIN),可提供高達(dá)3A負(fù)載電流。IC使用2.35V至3.6V工作,這使得其可理想用于板載點(diǎn)負(fù)載和后穩(wěn)壓應(yīng)用。在整個(gè)負(fù)載、輸入電壓和溫度變化范圍內(nèi),器件輸出電壓總誤差低于±1%。\n\n MAX8643A采用固定頻率PWM工作模式,可通過外部電阻將開關(guān)頻率設(shè)置在500kHz至2MHz范圍內(nèi)。高工作頻率允許全陶瓷電容設(shè)計(jì),允許采用小尺寸外部元件。\n\n 片上低導(dǎo)通電阻的nMOS開關(guān)可確保重負(fù)載時(shí)的高效率,并使關(guān)鍵的電感值最小。相對(duì)于分立元件方案,該器件的布局要簡單得多。簡單的電路布局和引腳配 ? 內(nèi)置37mΩ RDSON的MOSFET\n? 3A連續(xù)輸出電流\n? 在整個(gè)負(fù)載、輸入電壓和溫度范圍內(nèi)提供±1%的輸出精度\n? 2.35V至3.6V工作電壓\n? 輸出電壓在0.6V至(0.9 x VIN)范圍內(nèi)可調(diào)\n? 軟啟動(dòng)降低輸入浪涌電流\n? 500kHz至2MHz可調(diào)開關(guān)頻率\n? 兼容陶瓷、聚合物以及電解輸出電容\n? VID可選的輸出電壓\n? 0.6V、0.7V、0.8V、1.0V、1.2V、1.5V、1.8V、2.0V和2.5V\n\n\n? 完整的過流和過熱保護(hù)\n? 安全啟動(dòng)至預(yù)偏置輸出狀態(tài)\n? DDR應(yīng)用中吸入/源出電流\n? 24引腳、4mm x 4;

          ADI

          亞德諾

          技術(shù)參數(shù)

          • VIN (max)(V):

            3.6

          • VOUT1 (min)(V):

            0.6

          • VOUT1 (max)(V):

            2.5

          • IOUT1 (max)(A):

            3

          • Switch Type:

            Internal

          • Output Adjust. Method:

            Digital/VID

          • VOUT1 Tolerance(±%):

            1

          • Synchronous Switching:

            Yes

          • Power Good Signal:

            Yes

          • ICC (max)(mA):

            6.5

          • # DC-DC Outputs:

            1

          • Switching Frequency(kHz):

            2000

          • Features:

            Adjustable Freq.

          • Design Tools:

            EE-Sim

          • Oper. Temp.(°C):

            -40 to +85

          • Package/ Pins:

            TQFN/24

          • Smallest Available Pckg. (max w/pins)(mm2):

            16.8

          • RoHS Available:

            Yes

          • Budgetary Price (See Notes):

            $3.42 @1k

          供應(yīng)商型號(hào)品牌批號(hào)封裝庫存備注價(jià)格
          ADI
          25+
          24-TQFN-4X4X0.75
          5500
          3A、2MHz、降壓型調(diào)節(jié)器,內(nèi)置開關(guān)
          詢價(jià)
          MAX
          17+
          QFN24
          6200
          100%原裝正品現(xiàn)貨
          詢價(jià)
          MAXIM
          13+
          QFN
          3738
          原裝分銷
          詢價(jià)
          Maxim
          24+
          SMD
          17900
          開關(guān)穩(wěn)壓器
          詢價(jià)
          MAXIM
          25+
          QFN24
          4089
          百分百原裝正品 真實(shí)公司現(xiàn)貨庫存 本公司只做原裝 可
          詢價(jià)
          MAX
          16+
          QFN24
          10000
          進(jìn)口原裝現(xiàn)貨/價(jià)格優(yōu)勢!
          詢價(jià)
          MAXIM
          2016+
          QFN
          1800
          只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
          詢價(jià)
          MAXIM
          23+
          QFN24
          8650
          受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣!
          詢價(jià)
          MAXIM
          25+23+
          QFN24
          25967
          絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨
          詢價(jià)
          MAXIM
          19+
          QFN
          32000
          原裝正品,現(xiàn)貨特價(jià)
          詢價(jià)
          更多MAX8643A供應(yīng)商 更新時(shí)間2026-1-19 14:31:00
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