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RT4528 - High Voltage Buck LED Driver

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Datasheet Details

Part number RT4528
Manufacturer Richtek Technology
File Size 186.09 KB
Description High Voltage Buck LED Driver
Datasheet download datasheet RT4528 Datasheet

General Description

The RT4528 is a current-mode LED driver supporting wide input voltage range from 4.5V to 50V and output voltage up to 50V.

With internal 500kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized.

Overview

® RT4528 High Voltage Buck LED Driver with Dimming Control General.

Key Features

  • High Voltage : VIN Up to 50V, VOUT Up to 50V.
  • Built-In 3A Power Switch.
  • Current-Mode PWM Control.
  • 500kHz Fixed Switching Frequency.
  • Analog or PWM Control Signal for LED Dimming.
  • Internal Soft-Start to Avoid Inrush Current.
  • Under-Voltage Lockout.
  • Thermal Shutdown.
  • RoHS Compliant and Halogen Free.

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