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AW9920STR

超低EMI，PWM 轉(zhuǎn)恒流串聯(lián)背光; \n? Specific EESTM Significantly Reduce EMI\n? PWM to DC Dimming\n? Specific RNS Protect the Chip from Radio Noise\n? Unique Q-MirrorTM Current Sink Driver\n? Support up to 10 LEDs in one series\n? 0.8MHz Switching Frequency\n? Built-in Soft-start Limits Inrush Current\n? Over-current, Over-temperature andOver-voltageProtection\n? Shut down current<1uA\n? Small SOT23-5L package\n\n\n;

\n AW9920 是一款高效率、電感升壓型白光 LED驅(qū)動芯片，可驅(qū)動高達 10 顆白光 LED。內(nèi)部采用恒壓、恒流雙環(huán)路控制方式，提高了系統(tǒng)的性能及抗干擾能力。內(nèi)置過流保護、LED 開路保護及過溫保護，防止芯片進入異常工作狀態(tài)。\n AW9920 采用 PWM 轉(zhuǎn)恒流的調(diào)光方式，極大地降低了輸出電壓及電流的紋波，避免產(chǎn)生人耳可聽見的噪聲。\n AW9920 采用獨特的 Q-Mirror TM 恒流驅(qū)動架構(gòu)， 在 ILED 引腳電壓被外界干擾的情況下最大限度地保證輸出電流不變，有效地避免了傳統(tǒng)外置電阻架構(gòu)輸出電流隨 FB 電壓波動發(fā)生變化的問題。\n AW9920 采用專有的 EES TM （ElectromagneticEmission Suppression）技術(shù)，極大地降低了 EMI干擾，大大提高了手機等手持設(shè)備的接收靈敏度。同時 AW9920 采用專有的 RNS 技術(shù)，有效保護芯片內(nèi)部不受 TDD 等 RF 噪聲的影響。\n AW9920 采用纖小的 SOT23-5L 封裝。芯片工作額定溫度為-40°C至85°C。\n \n

AW9920STR

絲?。?a target="_blank" title="Marking" href="/l20/marking.html">L20；Package：SOT23-5L；Inductor-Boost White LED Driver with Ultra-low EMI and PWM to DC Dimming

CUE9920WH

99Series-WallMountIoTEnclosure

ProductOverview ?RoundeddesignandcompactplasticcaseidealforuseasIoTdevices ?Easilyattachedordetachedfromwallorpostbyusingthesnap-inconcealed wallmountingbracket ?PCBmountingpillarsmouldedintothebaseofthecase,suitableforM2screws ?Easytofit,yet

EV9920B

TheProductDataAmendmentseriesofdocuments

FC9920

3-PinSwitch-ModeLEDLampDriver

FM9920

High-performancesecondarysynchronousrectificationdriverchip

HM9920

Built-inMOSswitchstep-downLEDconstantcurrentdriver

MAX9920

-20Vto75VInputRange,PrecisionUni-/Bidirectional,Current-SenseAmplifiers

GeneralDescription TheMAX9918/MAX9919/MAX9920aresingle-supply,high-accuracycurrent-senseamplifierswithahighinputcommon-moderangethatextendsfrom-20Vto+75V.Theseamplifiersarewellsuitedforcurrentmonitoringofinductiveloadssuchasmotorsandsolenoids,wherecommon-mo

MAX9920

FullyAssembledandTested

MAX9920ASA

-20Vto75VInputRange,PrecisionUni-/Bidirectional,Current-SenseAmplifiers