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ACT6359 - 40V Step-Up WLED Bias Supplies

This page provides the datasheet information for the ACT6359, a member of the ACT6359_Active 40V Step-Up WLED Bias Supplies family.

Description

The ACT6359 step-up DC/DC converter drives white LEDs with an externally programmable constant current.

Features

  • High-Efficiency DC/DC WLED Bias Supply.
  • Internal 40V, 0.55Ω Power MOSFET.
  • Up to 10 WLEDs per String.
  • 500mA Peak Current.
  • Supports Analog and PWM LED Dimming.
  • Integrated Over-Voltage Protection (OVP).
  • Thermal Shutdown.
  • Cycle-by-Cycle Over Current Protection.
  • Tiny SOT23-6 Package.

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Datasheet preview – ACT6359

Datasheet Details

Part number ACT6359
Manufacturer Active-Semi
File Size 255.70 KB
Description 40V Step-Up WLED Bias Supplies
Datasheet download datasheet ACT6359 Datasheet
Additional preview pages of the ACT6359 datasheet.

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Full PDF Text Transcription

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ACT6359 Rev0, 13-May-08 www.DataSheet4U.com High-Efficiency, 40V Step-Up WLED Bias Supplies FEATURES • High-Efficiency DC/DC WLED Bias Supply • Internal 40V, 0.55Ω Power MOSFET • Up to 10 WLEDs per String • 500mA Peak Current • Supports Analog and PWM LED Dimming • Integrated Over-Voltage Protection (OVP) • Thermal Shutdown • Cycle-by-Cycle Over Current Protection • Tiny SOT23-6 Package GENERAL DESCRIPTION The ACT6359 step-up DC/DC converter drives white LEDs with an externally programmable constant current. This device features an integrated, 40V power MOSFET that is capable of driving up to ten white LEDs in series, providing inherent current matching for uniform brightness.
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