Dual-display Constant Current Led Driver With Analog Brightness Control - National Semiconductor

The LM3503 is a White LED Driver for lighting applications. For dual Display backlighting applications, the LM3503 pro- vides 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 protec- tion, and dynamic white LED current control capability, the LM3503 offers superior performance over other Step-up White LED Drivers By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM3503ITL-25EV Texas Instruments Dual-Display Constant Current LED Driver with Analog Brightness Control
LM3503 's PackagesLM3503 's pdf datasheet
LM3503ITL-16
LM3503ITLX-16
LM3503SQ-16
LM3503SQX-16
LM3503ITL-25
LM3503ITLX-25
LM3503SQ-25
LM3503SQX-25
LM3503ITL-35
LM3503ITLX-35
LM3503SQ-35
LM3503SQX-35
LM3503ITL-44
LM3503ITLX-44
LM3503SQ-44
LM3503SQX-44




LM3503 Pinout, Pinouts
LM3503 pinout,Pin out
This is one package pinout of LM3503,If you need more pinouts please download LM3503's pdf datasheet.

LM3503 Application circuits
LM3503 circuits
This is one application circuit of LM3503,If you need more circuits,please download LM3503's pdf datasheet.


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