LM3509SDE/NOPB Integrated Circuits (ICs)

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LM3509SDE/NOPB is a power management integrated circuit (PMIC) used to drive light emitting diodes (LEDs). It is part of the voltage regulator family of PMICs. It is typically used for adjustable lighting applications requiring up to 6.5A of current from a single LED or from multiple LEDs in parallel.

The LM3509SDE/NOPB contains a power switch, an integrated linear regulator, a high-end current source, a low-end current source, and a linear average current control system. The power switch allows for power control and can be used to control a system’s power usage. The integrated linear regulator enables the voltage output from the LM3509SDE/NOPB to be perfectly regulated and can be adjusted by ±15% based on the desired output voltage.

The high-end current source is used to sense the amount of current flowing through the LED and adjust it accordingly when the LED reaches maximum power. The low-end current source is used to prevent over-powering the LED. The linear average current control system allows the user to adjust the average current through the LED in order to achieve the desired output power. This can be done using pulse-width modulation, linear drive, or a combination of the two.

The LM3509SDE/NOPB can be used in a wide range of applications such as LED displays, LED matrixes, and power lighting systems. It is well suited for use in consumer electronics ranging from TV’s and computers to cell phones, tablets, and laptops. Additionally, the LM3509SDE/NOPB can be used in LED-based automotive and industrial systems, medical, architectural, and retail illumination applications, and a variety of other markets.

The LM3509SDE/NOPB is the ideal solution for providing the highest level of power efficiency for adjustable LED lighting control. By utilizing the integrated linear regulator and specialized current sources, the LM3509SDE/NOPB ensures the power consumption is minimized and the ideal output power is delivered. The on-chip features, such as the adjustable output voltage and average current control system, further amplify efficiency and flexibility. With this PMIC, users can achieve the perfect balance between power consumption and output performance.

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