• Part: SGM3140
  • Manufacturer: SG Micro
  • Size: 704.79 KB
Download SGM3140 Datasheet PDF
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SGM3140 Key Features

  • Input Voltage Range: 2.7V to 5.5V
  • Up to 500mA Output Current
  • Up to 90% Efficiency in Torch Mode
  • Programmable Flash Current
  • Automatic Buck/Boost Mode Conversion
  • No External Inductors
  • High Switching Frequency: 2.2MHz
  • Low Reference for Low Loss Sensing: 47mV
  • Less than 1μA Shutdown Current
  • Automatic Soft-Start for Reducing Inrush Current

Related SG Micro Datasheets

Part Number Description
SGM3140B 500mA Buck/Boost Charge Pump LED Driver
SGM3141 700mA Buck/Boost Charge Pump LED Driver
SGM3141B 700mA Buck/Boost Charge Pump LED Driver
SGM3142 6-Channel Charge Pump White LED Driver
SGM3144 6-Channel PWM Dimming Charge Pump White LED Driver

SGM3140 Description

The SGM3140 is a current-regulated buck/boost charge pump LED driver capable of driving 500mA output current. It is ideal for powering high brightness LEDs for camera flash applications. The SGM3140 has 1×/2× operation mode to control the output current for flash and torch modes.

SGM3140 Applications

  • Input Voltage Range: 2.7V to 5.5V
  • Up to 500mA Output Current
  • Up to 90% Efficiency in Torch Mode