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          首頁 >MAX8643>規(guī)格書列表

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

          MAX8643

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

          General Description The MAX8643 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 lo

          文件:300.91 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643

          Allows All-Ceramic Capacitor Design

          文件:215.76 Kbytes 頁數(shù):6 Pages

          MAXIM

          美信

          MAX8643

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

          MAX8643是一款高效開關(guān)穩(wěn)壓器,在0.6V至(0.9 × VIN)輸出范圍內(nèi)可提供最大3A負(fù)載電流。器件工作電壓為2.35V至3.6V,非常適合負(fù)載點(diǎn)(point-of-load)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),器件輸出電壓誤差低于±1%。\n\n MAX8643采用固定頻率PWM工作模式,開關(guān)頻率可通過外部電阻在500kHz至2MHz范圍內(nèi)設(shè)置。高工作頻率允許全陶瓷電容設(shè)計(jì),同時(shí)也允許采用小尺寸外部元件。\n\n 片內(nèi)低導(dǎo)通電阻nMOS保證在較重負(fù)載下提供高效率,并使電感值最小。相對(duì)于分立元件解決方案,該器件的布局要簡(jiǎn)單得多。便利的電路布局 ? 內(nèi)置37mΩ RDS(ON) MOSFET\n? 3A連續(xù)電流輸出\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 × VIN)之間可調(diào)\n? 軟啟動(dòng)抑制輸入浪涌電流\n? 500kHz至2MHz可調(diào)開關(guān)頻率\n? 能夠使用陶瓷、聚合物以及電解輸出電容\n? VID選擇輸出電壓\n? 0.6、0.7、0.8、1.0、1.2、1.5、1.8、2.0和2.5V\n\n\n? 完整的過壓和過熱保護(hù)\n? DDR應(yīng)用中吸入/源出電流\n? 24引腳、4mm x 4mm薄型QFN無鉛封裝;

          ADI

          亞德諾

          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

          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

          MAX8643ETG+

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

          General Description The MAX8643 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 lo

          文件:300.91 Kbytes 頁數(shù):16 Pages

          MAXIM

          美信

          MAX8643_0709

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

          文件:351.49 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

          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

          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(kù)存備注價(jià)格
          MAXIM/美信
          24+
          QFN
          60000
          詢價(jià)
          ADI
          25+
          EVALUATION BOARDS,24-TQFN-4X4X
          5500
          3A、2MHz、降壓型調(diào)節(jié)器,內(nèi)置開關(guān)
          詢價(jià)
          MAXIM
          25+
          QFN
          1600
          強(qiáng)調(diào)現(xiàn)貨,隨時(shí)查詢!
          詢價(jià)
          MAXIM
          13+
          QFN
          3758
          原裝分銷
          詢價(jià)
          Maxim
          24+
          SMD
          17900
          開關(guān)穩(wěn)壓器
          詢價(jià)
          MAXIM
          17+
          QFN
          6200
          100%原裝正品現(xiàn)貨
          詢價(jià)
          MAXIM
          24+
          QFN-24
          4652
          公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫(kù)存!
          詢價(jià)
          MAXIM
          09+
          QFN24
          5500
          原裝無鉛,優(yōu)勢(shì)熱賣
          詢價(jià)
          MAXIM
          25+
          QFN
          20
          百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可
          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)
          更多MAX8643供應(yīng)商 更新時(shí)間2026-1-20 13:30:00
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