• Part: SGM3122
  • Manufacturer: SG Micro
  • Size: 619.52 KB
Download SGM3122 Datasheet PDF
SGM3122 page 2
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SGM3122 page 3
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SGM3122 Key Features

  • Input Voltage Range: 2.7V to 5.5V
  • Support up to 4 LEDs at 30mA Each
  • LED Brightness Control through PWM Signal
  • 1× and 1.5× Charge Pump for High Conversion
  • Switching Frequency: 1MHz
  • 0.5% Regulated Output Current Matching
  • Built-in Soft-Start for Reducing Inrush Current
  • Low Input Ripple and Low EMI
  • Protection Features
  • Available in a Green TQFN-3×3-16L Package

SGM3122 Description

The SGM3122 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump. The charge pump has 1×/1.5× fractional operation mode. The SGM3122 is designed for LCD display backlight applications.

SGM3122 Applications

  • Input Voltage Range: 2.7V to 5.5V
  • Support up to 4 LEDs at 30mA Each