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WD3139 Datasheet 38V Step-Up White LED Driver

Manufacturer: WillSEMI

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Datasheet Details

Part number WD3139
Manufacturer WillSEMI
File Size 1.26 MB
Description 38V Step-Up White LED Driver
Datasheet download datasheet WD3139 Datasheet

General Description

s The WD3139 is a constant current, high efficiency LED driver.

Internal MOSFET can drive up to 10 white LEDs in series with 1.2A current limit and 38V OVP.

A Pulse-Width-Modulation (PWM) signal can be applied to the EN pin for LED dimming.

Overview

WD3139 High Efficiency, 38V Step-Up White LED Driver WD3139 Http//:www.sh-willsemi.

Key Features

  • Input voltage range : 2.7~5.5V.
  • Open LED Protection : 38V (Typ. ).
  • Reference Voltage : 200mV (±5%).
  • Switching frequency : 1MHz (Typ. ).
  • Efficiency : Up to 92%.
  • Main switch current limit : 1.2A (Typ. ).
  • PWM Dimming frequency : 5KHz to200KHz.
  • PWM Dimming Duty Cycle : 0.5% ~ 100%.

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