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LM3503 - Dual-Display Constant Current LED Driver

Description

The LM3503 is a white LED driver for lighting applications.

For dual display backlighting applications, the LM3503 provides a complete solution.

The LM3503 contains two internal white LED current bypass FET (Field Effect Transistor) switches.

Features

  • n Drives up to 4, 6, 8 or 10 White LEDs for Dual Display Backlighting n >80% Peak Efficiency n Output Voltage Protection Options: 16V, 25V, 35V & 44V n Input Under-Voltage Protection n Internal Soft Start Eliminates Inrush Current n 1 MHz Constant Switching Frequency n Analog Brightness Control n Wide Input Voltage Range: 2.5V to 5.5V n Low Profile Packages:.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM3503 Dual-Display Constant Current LED Driver with Analog Brightness Control August 2006 LM3503 Dual-Display Constant Current LED Driver with Analog Brightness Control General Description The LM3503 is a white LED driver for lighting applications. For dual display backlighting applications, the LM3503 provides a complete solution. The LM3503 contains two internal white LED current bypass FET (Field Effect Transistor) switches. The white LED current can be adjusted with a DC voltage from a digital to analog converter or RC filtered PWM (pulse-width-modulated) signal at the Cntrl pin.
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