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          首頁 >MAX8822>規(guī)格書列表

          型號下載 訂購功能描述制造商 上傳企業(yè)LOGO

          MAX8822

          Ultra-Efficient Negative Charge-Pump LED Driver with Dual LDOs in 3mm x 3mm Thin QFN

          General Description The MAX8822 drives up to four white light-emitting diodes (LEDs) with regulated constant current for display backlighting in cell phones, digital cameras, PDAs, and other handheld devices. By utilizing a proprietary negative 0.5x inverting charge pump and innovative independen

          文件:251.83 Kbytes 頁數(shù):15 Pages

          MAXIM

          美信

          MAX8822

          超高效負壓電荷泵LED驅動器,帶有雙LDO,3mm x 3mm薄型QFN封裝

          MAX8822能夠以穩(wěn)定電流驅動4只白光二極管(LED),用于手機、數(shù)碼相機、PDA及其它手持設備顯示屏的背光驅動。通過專有的負壓0.5x反相電荷泵和創(chuàng)新的獨立自適應低壓差(LDO)電流調節(jié)器,器件可在單節(jié)Li+電池的整個輸入電壓范圍內保持極高的轉換效率,即使在LED VF失配較大的情況下。1MHz固定開關頻率允許使用微小的外部元件。器件的調節(jié)環(huán)路經(jīng)過優(yōu)化,可確保低EMI和低輸入紋波。芯片內還集成了兩路輸出電壓可調的200mA、低噪聲、高電源抑制比(PSRR)的LDO,為相機模塊或其它設備供電。\n\n MAX8822提供一個單線串行脈沖控制接口,用于設置LED電流和LDO的輸出電壓 ? 可驅動最多4只LED的高效電荷泵\n? 24mA至0.1mA亮度調節(jié)范圍\n? 低至65μA的靜態(tài)電流(典型值)\n? 雙路200mA低噪聲、高PSRR LDO\n? 10kHz下,PSRR高達60dB\n? 靈活的單線亮度調節(jié)及LDO輸出電壓控制\n? 軟啟動浪涌電流限制\n? 微型16引腳、3mm x 3mm、薄型QFN封裝(最大高度0.8mm),帶有裸焊盤;

          ADI

          亞德諾

          MAX8822ETE+

          Ultra-Efficient Negative Charge-Pump LED Driver with Dual LDOs in 3mm x 3mm Thin QFN

          General Description The MAX8822 drives up to four white light-emitting diodes (LEDs) with regulated constant current for display backlighting in cell phones, digital cameras, PDAs, and other handheld devices. By utilizing a proprietary negative 0.5x inverting charge pump and innovative independen

          文件:251.83 Kbytes 頁數(shù):15 Pages

          MAXIM

          美信

          MAX8822ETE+

          Package:16-WFQFN 裸露焊盤;包裝:卷帶(TR) 類別:集成電路(IC) LED 驅動器 描述:IC LED DRV RGLTR PWM 24MA 16TQFN

          AD

          亞德諾

          MAX8822ETE+T

          Package:16-WFQFN 裸露焊盤;包裝:卷帶(TR) 類別:集成電路(IC) LED 驅動器 描述:IC LED DRV RGLTR PWM 24MA 16TQFN

          AD

          亞德諾

          技術參數(shù)

          • VIN (max)(V):

            5.5

          • Max. No. of LEDs:

            4

          • # LED Channels:

            4

          • Regulation Topology:

            Charge Pump

          • Battery Input:

            1-Cell Li+

          • LED Configuration:

            Parallel

          • ILED per Channel (max)(A):

            0.024

          • Dimming Ratio (max):

            240

          • Dimming Control:

            Serial Pulse

          • POUT(W):

            0.4

          • ICC (max)(mA):

            1.4

          • LED String Volt. (max)(V):

            5.5

          • Fxd. Freq.:

            Yes

          • Switching Frequency(kHz):

            1000

          • Features:

            Internal Switch

          • Tags:

            Backlight

          • EV Kit Available:

            Yes

          • RoHS Available:

            Yes

          • Oper. Temp.(°C):

            -40 to +85

          • Package/ Pins:

            TQFN/16

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

            9.6

          • Budgetary Price (See Notes):

            $1.82 @1k

          供應商型號品牌批號封裝庫存備注價格
          ADI
          25+
          EVALUATION BOARDS,16-LFCSP-3X3
          5500
          超高效負壓電荷泵LED驅動器,帶有雙LDO,3mm x 3mm薄型QFN封裝
          詢價
          MAXIM
          24+
          QFN-16
          4652
          公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存!
          詢價
          MAXIM
          13+
          1615
          原裝分銷
          詢價
          MAXIM
          22+
          QFN-16
          8200
          原裝現(xiàn)貨庫存.價格優(yōu)勢!!
          詢價
          MaximIntegrated
          24+
          16-TQFN(3x3)
          66800
          原廠授權一級代理,專注汽車、醫(yī)療、工業(yè)、新能源!
          詢價
          Maxim
          20+
          原裝
          65790
          原裝優(yōu)勢主營型號-可開原型號增稅票
          詢價
          Maxim Integrated
          24+
          16-WFQFN 裸露焊盤
          39500
          一級代理/放心采購
          詢價
          Maxim
          1931+
          N/A
          567
          加我qq或微信,了解更多詳細信息,體驗一站式購物
          詢價
          MAXIM
          25+
          QFN-16
          1001
          就找我吧!--邀您體驗愉快問購元件!
          詢價
          Maxim
          22+
          16TQFN
          9000
          原廠渠道,現(xiàn)貨配單
          詢價
          更多MAX8822供應商 更新時間2026-1-20 18:45:00
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