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SGM3133 Datasheet 4-channel Charge Pump White Led Driver

Manufacturer: SG Micro

Overview: SGM3133 4-Channel Charge Pump White LED Driver with Low Dropout Current Source.

General Description

The SGM3133 is a high efficiency and cost effective charge pump white LED driver.

It supports up to 4 white LEDs and regulates a constant current for uniform intensity.

The part maintains the high efficiency by utilizing a 1×/1.5× fractional charge pump and low dropout current sources.

Key Features

  • Input Voltage Range: 2.7V to 5.5V.
  • Drives up to 4 LEDs at 20mA Each.
  • 16-Step Brightness Control.
  • High Efficiency by Fractional Conversion with 1× and 1.5× Modes.
  • Automatic Charge Pump Mode Selection.
  • Switching Frequency: 1MHz.
  • 1% Typical LED Current Matching.
  • Internal Soft-Start Limits Inrush Current.
  • Low Input Noise and Low EMI.
  • Over Current and Over Temperature Protection.
  • Output Over Voltage Protection.
  • Under-Voltage Lockout with Hy.

More Datasheets from SG Micro

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SGM3133 Distributor