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  • A Digital Constant Current Power LED Driver
    will down) solution and the circuit presented here can want to check the LED manufacturer's data sheet to operate from most any input voltage source as long as verify the maximum peak current. it exceeds the forward voltage of the LEDs to be driven. The switching frequency of the buck regulator
  • Application Note: Driving Color RGB LEDs with the AAT3123
    to 20mA maximum to each of the three red, green, and blue LEDs in a common anode configuration. Color balance and intensity is then controlled via PWM signals to MOSFET switches connected to each LED cathode. Refer to the following application circuit (Figure 1): RGB LEDs have differing forward voltages
  • AN211A: Field Effect Transistors in Theory and Practice, Courtesy of Motorla
    There are two types of field-effect transistors, the Junction Field-Effect Transistor (JFET) and the "Metal-Oxide Semiconductor" Field-Effect Transistor (MOSFET), or Insulated-Gate Field-Effect Transistor (IGFET). The principles on which these devices operate (current controlled by an electric

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