LM3503 www.
ti.
com SNVS329E – JULY 2005 – REVISED MAY 2013 LM3503 Dual-Display Constant Current LED Driver with Analog Brightness Control Check for Samples: LM3503 FEATURES 1 •2 Drives up to 4, 6, 8 or 10 White LEDs for Dual Display Backlighting • 80% Peak Efficiency • Output Voltage Protection Options: 16V, 25V, 35V & 44V • 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 – 16 Pin WQFN APPLICATIONS • Dual Display Backlighting in Portable devices • Cellular Phones and PDAs DESCRIPTION The LM3503 is a ...

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