AAT2403ICG-T1

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PMIC - LED Drivers - AAT2403ICG-T1 Application Field and Working Principle

LED drivers are a type of Power Management Integrated Chip (PMIC) widely used in the electronic industry. The AAT2403ICG-T1 is a highly efficient, low quiescent current, linear high-brightness LED driver designed for portable and low-power lighting applications. With a compact size and low-EMI high switching frequency, the AAT2403ICG-T1 is suitable for high-quality, portable lighting products such as high-brightness LED flashlights.

The AAT2403ICG-T1 includes an internal N-Channel MOSFET and uses a voltage feedback loop to manage LED brightness. When the LED is illuminated, the voltage across the LED decreases, and the internal feedback loop adjusts the output voltage to maintain the LED’s pre-determined brightness. This feedback control system, in combination with the high-frequency switching, allows for a high efficiency system.

The AAT2403ICG-T1 includes advanced features such as short circuit protection, over-temperature protection, over-current protection, and over-voltage protection to ensure safe operation. Additionally, this device utilizes 1% to 0.5% accurate output current accuracy over temperature, as well as output current accuracy ranging from -5% to +5%. These accuracy levels allow for excellent dimming and color management performance.

The AAT2403ICG-T1 is available in a small, 6-pin TDFN package. This package is designed to be soldered directly onto a printed circuit Board (PCB), or it can be mounted directly onto a substrate. Additionally, the output can be adjusted up to a maximum of 6 V, allowing for a wide range of possible applications.

In summary, the AAT2403ICG-T1 is a highly efficient, low quiescent current, linear high-brightness LED driver suitable for high-quality, portable lighting products. This device features short circuit protection, over-temperature protection, over-current protection and over-voltage protection, as well as 1% to 0.5% current accuracy over temperature. Additionally, it is available in a small, 6-pin TDFN package, allowing for easy mounting onto a substrate or PCB.

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