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ACT6358 - 40V Step-Up WLED Bias Supply

Description

The ACT6358 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.
  • 1A Peak Current.
  • Supports Analog and PWM LED Dimming.
  • Integrated Over-Voltage Protection (OVP).
  • Programmable Soft-Start Function.
  • Thermal Shutdown.
  • Cycle-by-Cycle Over Current Protection.
  • Tiny TDFN33-8 Package.

📥 Download Datasheet

Datasheet Details

Part number ACT6358
Manufacturer Qorvo
File Size 801.56 KB
Description 40V Step-Up WLED Bias Supply
Datasheet download datasheet ACT6358 Datasheet

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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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ACT6358 High-Efficiency, 40V Step-Up WLED Bias Supply FEATURES • High-Efficiency DC/DC WLED Bias Supply • Internal 40V, 0.55Ω Power MOSFET • Up to 10 WLEDs per String • 1A Peak Current • Supports Analog and PWM LED Dimming • Integrated Over-Voltage Protection (OVP) • Programmable Soft-Start Function • Thermal Shutdown • Cycle-by-Cycle Over Current Protection • Tiny TDFN33-8 Package APPLICATIONS • TFT LCD Displays • Smart Phones • Portable Media Players • GPS/Personal Navigation Devices SIMPLIFIED APPLICATION CIRCUIT GENERAL DESCRIPTION The ACT6358 step-up DC/DC converter drives white LEDs with an externally programmable constant current.