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AP8801 - Step-down DC/DC Converter

Description

The AP8801 is a step-down DC/DC converter designed to drive LEDs with a constant current.

The device can drive up to thirteen LEDs, depending on the forward voltage of the LEDs, in series from a voltage source of 8V to 48V.

Features

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  • LED driving current up to 500mA Operating input voltage up to 48V High efficiency up to 92% High switching frequency up to 500kHz PWM/DC input for dimming control Built-in output open-circuit protection SOP-8L and MSOP-8L are available in “Green” Molding Compound (No Br, Sb) Lead Free Finish/RoHS Compliant (Note 1) General.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP8801 500mA LED Step-down Converter Features www.datasheet4u.com • • • • • • • • LED driving current up to 500mA Operating input voltage up to 48V High efficiency up to 92% High switching frequency up to 500kHz PWM/DC input for dimming control Built-in output open-circuit protection SOP-8L and MSOP-8L are available in “Green” Molding Compound (No Br, Sb) Lead Free Finish/RoHS Compliant (Note 1) General Description The AP8801 is a step-down DC/DC converter designed to drive LEDs with a constant current. The device can drive up to thirteen LEDs, depending on the forward voltage of the LEDs, in series from a voltage source of 8V to 48V. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors.