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    首頁(yè)產(chǎn)品索引MAQ3203

    MAQ3203

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    產(chǎn)品信息

    The MAQ3203 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications.

    The MAQ3203 is well suited for lighting applications requiring a wide-input voltage range. The hysteretic control gives good supply rejection and fast response during load transients and PWM dimming. The high-side current sensing and on-chip current-sense amplifier delivers LED current with ±5% accuracy. An external high-side current-sense resistor is used to set the output current.

    The MAQ3203 offers a dedicated PWM input (DIM) which enables a wide range of pulsed dimming. A high-frequency switching operation up to 1.5MHz allows the use of smaller external components minimizing space and cost. The MAQ3203 offers frequency dither feature for EMI control.

    The MAQ3203 operates over a junction temperature from ?40°C to +125°C and is available in an 8-pin SOIC package. The MAQ3203 is AEC-Q100 qualified for automotive applications.

      AEC-Q100 qualified

      4.5V to 42V input voltage range

      High efficiency (>90%)

      ±5% LED current accuracy

      Dither enabled for low EMI

      High-side current sense

      Dedicated dimming control input

      Hysteretic control (no compensation)

      Up to 1.5MHz switching frequency

      Adjustable constant LED current

      Over-temperature protection

      ?40°C to +125°C junction temperature range

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