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ACT6357 Datasheet 40V Step-Up WLED Bias Supplies

Manufacturer: Active-Semi

Download the ACT6357 datasheet PDF. This datasheet also includes the ACT6357_Active variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT6357_Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT6357
Manufacturer Active-Semi
File Size 403.92 KB
Description 40V Step-Up WLED Bias Supplies
Download ACT6357 Download (PDF)

General Description

The ACT6357 and ACT6358 step-up DC/DC converters drive white LEDs with an externally programmable constant current.

These devices

Overview

ACT6357/ACT6358 Rev 1, 15-Nov-12 High-Efficiency, 40V Step-Up WLED Bias.

Key Features

  • High-Efficiency DC/DC WLED Bias Supply.
  • Internal 40V, 0.55Ω Power MOSFET.
  • Up to 10 WLEDs per String.
  • Two Peak Current Options:.
  • ACT6357: 0.5A.
  • ACT6358: 1A.
  • 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.