• Part: SGM3133
  • Manufacturer: SG Micro
  • Size: 322.36 KB
Download SGM3133 Datasheet PDF
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SGM3133 Key Features

  • Input Voltage Range: 2.7V to 5.5V
  • Drives up to 4 LEDs at 20mA Each
  • 16-Step Brightness Control
  • 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

SGM3133 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.

SGM3133 Applications

  • Input Voltage Range: 2.7V to 5.5V
  • Drives up to 4 LEDs at 20mA Each