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          首頁(yè) >MAX849>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

          MAX849

          1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters

          General Description The MAX848/MAX849 boost converters set a new standard of high efficiency and high integration for noise sensitive power-supply applications, such as portable phones and small systems with RF data links. The heart of the these devices is a synchronous boost-topology regulator

          文件:166.17 Kbytes 頁(yè)數(shù):16 Pages

          MAXIM

          美信

          MAX849

          1節(jié)至3節(jié)電池、大功率、低噪聲、升壓型DC-DC轉(zhuǎn)換器

          MAX848/MAX849升壓轉(zhuǎn)換器為便攜式電話和帶有RF數(shù)據(jù)鏈路的小型系統(tǒng)等對(duì)噪聲敏感的電源應(yīng)用設(shè)立了高效率和高集成度的新標(biāo)準(zhǔn)。這些器件的核心是同步升壓拓?fù)浞€(wěn)壓器,可從一到三節(jié)NiCd/NiMH電池或一節(jié)鋰離子電池生成固定的3.3V輸出(或2.7V至5.5V可調(diào)輸出)。\n\n 與類似的非同步升壓穩(wěn)壓器相比,同步整流的效率提高了5%。在待機(jī)模式下,脈沖跳躍PFM操作保持輸出電壓有效,靜態(tài)功耗僅為150μW。固定頻率PWM操作確保開關(guān)噪聲頻譜限制在300kHz基波及其諧波內(nèi),從而可以輕松降低濾波后噪聲。要獲得更嚴(yán)格的噪聲頻譜控制,可同步至200kHz至400kHz的外部時(shí)鐘。 ? 效率高達(dá)95%\n\n? 3.3V Dual Mode?,或2.7V至5.5V可調(diào)輸出\n\n? 輸入范圍:0.7V至5.5V\n\n? 0.15mW待機(jī)模式\n\n? 300kHz PWM模式或可同步\n\n? 具有串行輸出的雙通道ADC\n\n? 電源良好功能;

          ADI

          亞德諾

          MAX849ESE

          1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters

          General Description The MAX848/MAX849 boost converters set a new standard of high efficiency and high integration for noise sensitive power-supply applications, such as portable phones and small systems with RF data links. The heart of the these devices is a synchronous boost-topology regulator

          文件:166.17 Kbytes 頁(yè)數(shù):16 Pages

          MAXIM

          美信

          MAX849ESE+

          Package:16-SOIC(0.154",3.90mm 寬);包裝:卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶 類別:集成電路(IC) 特殊用途穩(wěn)壓器 描述:IC REG CONV RF DATA 1OUT 16SO

          AD

          亞德諾

          MAX849ESE+T

          Package:16-SOIC(0.154",3.90mm 寬);包裝:卷帶(TR) 類別:集成電路(IC) 特殊用途穩(wěn)壓器 描述:IC REG CONV RF DATA 1OUT 16SO

          AD

          亞德諾

          技術(shù)參數(shù)

          • VIN (max)(V):

            5.5

          • VOUT1 (min)(V):

            2.7

          • VOUT1 (max)(V):

            5.5

          • IOUT1 (max)(A):

            1

          • Switch Type:

            Internal

          • Preset VOUT(V):

            3.3

          • Output Adjust. Method:

            Preset

          • Synchronous Switching:

            Yes

          • ICC (typ)(mA):

            0.035

          • ICC (max)(mA):

            0.09

          • Shutdown Mode Supply Current (typ)(μA):

            4

          • Shutdown Mode Supply Current (max)(μA):

            20

          • # DC-DC Outputs:

            1

          • Switching Frequency(kHz):

            400

          • Features:

            Current Limit

          • Oper. Temp.(°C):

            -40 to +85

          • Package/ Pins:

            SOIC (N)/16

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

            62

          • RoHS Available:

            Yes

          • Budgetary Price (See Notes):

            $2.70 @1k

          供應(yīng)商型號(hào)品牌批號(hào)封裝庫(kù)存備注價(jià)格
          24+
          3000
          公司現(xiàn)貨
          詢價(jià)
          MAXIM
          22+
          原廠原封
          1000
          原裝現(xiàn)貨庫(kù)存.價(jià)格優(yōu)勢(shì)!!
          詢價(jià)
          ADI
          25+
          Small-Outline IC, Narrow (0.15
          5500
          1節(jié)至3節(jié)電池、大功率、低噪聲、升壓型DC-DC轉(zhuǎn)換器
          詢價(jià)
          MAXIM
          13+
          2590
          原裝分銷
          詢價(jià)
          MAXIM
          2015+
          SOP/DIP
          19889
          一級(jí)代理原裝現(xiàn)貨,特價(jià)熱賣!
          詢價(jià)
          MAXIM
          15+
          SOP16
          11560
          全新原裝,現(xiàn)貨庫(kù)存,長(zhǎng)期供應(yīng)
          詢價(jià)
          MAX
          06+
          原廠原裝
          61
          只做全新原裝真實(shí)現(xiàn)貨供應(yīng)
          詢價(jià)
          MAXIM
          23+
          SOP16
          7000
          絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)!
          詢價(jià)
          MAXIM
          24+
          SOP16
          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
          25+
          SOP16
          63242
          品牌一級(jí)代理,新加坡香港上百萬(wàn)現(xiàn)貨,歡迎查詢!
          詢價(jià)
          更多MAX849供應(yīng)商 更新時(shí)間2026-1-20 16:01:00
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