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sm8121ah Contextual Info: 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

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sm8121ah

Contextual Info: 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.

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SM8121AH SM8121AH NC0211AE

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