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AP8802 - 1A LED Step-Down Converter

Description

The AP8802 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

  • LED driving current up to 1A.
  • High efficiency up to 92%.
  • Operating input voltage up to 48V.
  • High switching frequency up to 700kHz.
  • PWM/DC input for dimming control.
  • Built-in output open-circuit protection.
  • SO-8, SO-8EP and U-DFN3030-10 are 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 (T.

📥 Download Datasheet

Datasheet preview – AP8802

Datasheet Details

Part number AP8802
Manufacturer Diodes Incorporated
File Size 682.47 KB
Description 1A LED Step-Down Converter
Datasheet download datasheet AP8802 Datasheet
Additional preview pages of the AP8802 datasheet.

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Full PDF Text Transcription

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AP8802 1A LED STEP-DOWN CONVERTER Description The AP8802 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. The AP8802 switches at frequencies up to 700kHz. This allows the use of small size external components, hence minimizing the PCB area needed. Maximum output current of AP8802 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. An input voltage of 0.
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