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    sm8121ah

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    Text: SM8121AH White LED Driver IC OVERVIEW The SM8121AH is a high efficiency step-up DC-DC converter. Due to high voltage CMOS process realizing 25V output supply as maximum value, white LED of 2–6 lights connected in series can be lighted. By connecting in series, current variation among LED is eliminated. Current value sent to white LED can be set by external resistors. In addition, brightness can also be adjusted by PWM control to CE chip enable pin.


    Original     		SM8121AH SM8121AH NC0211AE PDF