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    首頁(yè)產(chǎn)品索引CAT3649

    CAT3649

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    ?LED Driver, 6-Channel, with 32 Dimming Levels and PWM

    制造商:ON

    中文數(shù)據(jù)手冊(cè)

    產(chǎn)品信息

    The CAT3649 is a high efficiency fractional charge pump that can drive up to six LEDs. The inclusion of a 1.33x fractional charge pump mode increases the device efficiency by up to 10% over traditional 1.5x charge pumps with no added external capacitors.
    Low noise input ripple is achieved by operating at a constant switching frequency which allows the use of small external ceramic capacitors. The multi-fractional charge pump supports a wide range of input voltages from 2.4 V to 5.5 V.
    The LED current can be adjusted in different ways. The full-scale LED current is set to 25 mA once the device is enabled. Analog dimming in 32 linear steps is achieved via a 1-wire pulse-dimming input (ADIM). Further adjustment of the LED current can be done by applying a pulse width modulation (PWM) signal on the PWM input. The PWM dimming control is compatible with content adaptive brightness control (CABC) for a wide range of PWM signal frequency up to 200 kHz.
    The CAT3649 can be shut down by holding the ADIM or PWM input in a logic low condition for greater than 30 ms.
    • High Efficiency 1.33x Charge Pump
    • Drives up to 6 LEDs at 25 mA Each
    • PWM Dimming 100 Hz to 200 kHz for CABC
    • Quad-mode Charge Pump: 1x, 1.33x, 1.5x, 2x
    • 1-wire EZDim
    • 32 Linear Steps (ADIM)
    • Power Efficiency up to 92%
    • Low Noise Input Ripple in All Modes
    • Zero Current Shutdown Mode
    • Soft Start and Current Limiting
    • Short Circuit Protection
    • Thermal Shutdown Protection

    電路圖、引腳圖和封裝圖

    在線購(gòu)買(mǎi)

    型號(hào)制造商描述購(gòu)買(mǎi)
    CAT3649HV3-GT2ON 立即購(gòu)買(mǎi)

    技術(shù)資料

    標(biāo)題類(lèi)型大?。↘B)下載
    TQFN16, 3x3PDF54 點(diǎn)擊下載
    LED Driver , 6-Channel, with 32 Dimming Levels and PWMPDF303 點(diǎn)擊下載
    CAT3649_PD.GIFUNKNOW16 點(diǎn)擊下載
    CAT3649_AD.GIFUNKNOW8 點(diǎn)擊下載
    CAT3649AGEVB Bill of Materials ROHS CompliantPDF150 點(diǎn)擊下載
    CAT3649AGEVB Gerber Layout Files (Zip Format)RAR79 點(diǎn)擊下載
    CAT3649AGEVB SchematicPDF251 點(diǎn)擊下載
    CAT3649AGEVB Test ProcedurePDF116 點(diǎn)擊下載

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