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SGM3138 Datasheet 6-channel Charge Pump White Led Driver

Manufacturer: SG Micro

Overview: SGM3138 6-Channel Charge Pump White LED Driver with Low Dropout Current Source.

General Description

The SGM3138 is a high performance white LED driver.

It integrates current sources and automatic mode selection charge pump.

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 6 LEDs at 20mA Each.
  • One Single Wire Interface.
  • 16-Step Brightness Control.
  • High Efficiency by Fractional Conversion with 1× and 1.5× Modes.
  • Switching Frequency: 1MHz.
  • Regulated Output Current with ±5% Matching.
  • Internal Soft-Start Limits Inrush Current.
  • Low Input Ripple and Low EMI.
  • Over-Current and Over-Temperature Protection.
  • Under-Voltage Lockout with Hysteresis.
  • Available in Green TQ.

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SGM3138 Distributor