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LM3503 Key Features

  • 2 Drives up to 4, 6, 8 or 10 White LEDs for Dual Display Backlighting
  • >80% Peak Efficiency
  • Output Voltage Protection Options: 16V, 25V
  • Input Under-Voltage Protection
  • Internal Soft Start Eliminates Inrush Current
  • 1 MHz Constant Switching Frequency
  • Analog Brightness Control
  • Wide Input Voltage Range: 2.5V to 5.5V
  • Low Profile Packages: <1 mm Height
  • 10 Bump DSBGA

Other LM3503 Datasheets

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor LM3503 Dual-Display Constant Current LED Driver

View all LM3503 datasheets →

LM3503 Description

The LM3503 is a white LED driver for lighting applications. For dual display backlighting applications, the LM3503 provides a plete solution. The LM3503 contains two internal white LED current bypass FET (Field Effect Transistor) switches.

LM3503 Applications

  • Dual Display Backlighting in Portable devices