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AP8802H - 60V 1A LED Step-down Converter

General Description

The AP8802H 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 60V.

Key Features

  • LED driving current up to 1A.
  • High efficiency up to 95%.
  • Operating input voltage up to 60V.
  • 5% nominal accuracy.
  • High switching frequency up to 700kHz.
  • PWM/DC input for dimming control.
  • Built-in output open-circuit protection.
  • SO-8EP is available in “Green” Molding Compound (No Br, Sb).
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) Pin Assignments (Top.

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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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N EPWR EPLRIOM IDNUACRTY AP8802H 60V 1A LED STEP-DOWN CONVERTER Description The AP8802H 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 60V. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors. The AP8802H switches at frequency up to 700kHz. This allows the use of small size external components, hence minimizing the PCB area needed. Maximum output current of AP8802H is set via an external resistor connected between the VIN and SET input pins. Dimming is achieved by applying either a DC voltage or a PWM signal at the CTRL input pin.