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SGM3122 Datasheet Charge Pump White Led Driver

Manufacturer: SG Micro

Overview: SGM3122 PWM Dimming, Charge Pump White LED Driver with Low Dropout Current Source.

General 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.

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 Efficiency.
  • 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  Over-Current Protection  Under-Voltage Lockout  Thermal Shutdown.
  • Available in a Green TQFN-3×3-16L Package AP.

More Datasheets from SG Micro

Part Number Description
SGM3123 White LED Driver
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SGM3127 White LED Driver
SGM3128 3-Channel LowDropout Low Side White LED Driver
SGM3110 Micro-Power Regulated Charge Pump
SGM3131 120mA 4-Channel Charge Pump White LED Driver
SGM3132 4-Channel 1-Wire Dimming LED Driver
SGM3133 4-Channel Charge Pump White LED Driver
SGM3135 3-Channel LowDropout Low Side White LED Driver
SGM3138 6-Channel Charge Pump White LED Driver

SGM3122 Distributor