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Part: LM3503ITL-16
Category:
Optoelectronics
-> Drivers/Controllers
-> LEDs
Description: Dual-Display Constant Current LED Driver with Analog Brightness Control<<<>>>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.<<<>>><<<>>>With no external compensation, cycle-by-cycle current limit, output over-voltage protection, input under-voltage protection, and dynamic white LED current control capability, the LM3503 offers superior performance over other step-up white LED drivers.<<<>>> <<<>>><<<>>>Features<<<>>>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 MicroSMD <<<>>>16 Pin LLP <<<>>> <<<>>><<<>>>Applications<<<>>>Dual-Display Display Backlighting in Portable devices <<<>>>Cellular Phones and PDAs
Company: National Semiconductor Corporation
Datasheet: Download LM3503ITL-16 datasheet File size : 22 kB
Request For quote: Find where to buy LM3503ITL-16
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