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Macroblock Inc.
Floor 6-4, No. 18, Pu-Ting Rd.,

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Featured Products

1A LED Driver IC MBI6661

 1A LED Driver IC

MBI6661 is a high efficiency, constant current and step-down DC/DC converter. It is designed to deliver constant current to light up high power LED with only 5 external components. By hysteretic PFM control scheme, MBI6661 omits the external compensation design.

Step-Down 1A Dimmable LED Driver MBI6653

 Step-Down 1A Dimmable LED Driver

MBI6653 is a step-down constant-current high-brightness LED driver to provide a cost-effective design solution for interior/exterior illumination applications. It is designed to deliver constant current to light up high power LED with only 4 external components. With hysteretic PFM control scheme, MBI6653 eliminates external compensation design and makes the design simple.
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Macroblock Inc.

Business Type: Manufacturer → Manufacturing Equipment
1 Categories , 8 Products Listing.

Home > LED Driver ICs
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Product Name: instant On/Off LED driver

Product Number: MBI1828

Brief Description:
MBI1828 is an instant On/Off LED driver for lighting applications and exploits PrecisionDrive™ technology to enhance its output characteristics. At MBI1828 output stage, 8 regulated current ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of VF variations. MBI1828 provides users 8-channel constant current ports to match LEDs with equal current. Users may adjust the output current from 5mA to 60mA through an external resistor, Rext, which gives users flexibility in controlling the light intensity of LEDs. In addition, users can precisely adjust LED brightness from 0% to 100% via output enable (OE) with Pulse Width Modulation.

Official Site

  • Key Features:

    Maximum 50V output sustaining voltage

    8 constant-current output channels

    Adjustable 5 - 60mA output current per channel through an external resistor

    Constant output current invariant to load voltage change

    Excellent output current accuracy:
    between channels: <±3% (max.), andbetween ICs: <±6% (max.)

    Open-circuit detection mode to detect LED errors

    Integrated voltage regulator for 8 - 40V supply voltage

    Voltage feedback for DC/DC controller

    Package Type: “Pb-free & Green” package with thermal pad

  • Key Applications:

    LCD Monitor

    Decorative LED lighting

Official Site

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LED Driver ICs | instant On/Off LED driver | Macroblock Inc.