MIC3230YML-TR

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The MIC3230YML-TR is a top-of-the-line PMIC LED driver from Microchip. It is designed to provide extremely efficient and versatile current control for LED applications. It features a synchronous PWM switching stage, with current sense and adaptive hysteretic peak current control. The driver provides excellent efficiency and dynamic response to varying load conditions.

The MIC3230YML-TR is capable of driving LED strings up to 5A with an adjustable current setting range of 3.2V to 7.6V and a power supply input range of 5.5V to 28V. It also has wide frequency range selection ranging from 2.2KHz to 500KHz and PWM dimming ratio range of 0.5 to 100%. It is capable of supporting up to 27 LEDs with a maximum 25V string voltage.

The MIC3230YML-TR uses its adaptive hysteretic peak current-mode control to deliver fast transient response. This allows for accurate and stable control of the current over a wide input voltage and load variations. The device also features built-in current foldback, over-temperature protection, under-voltage lockout, and over-current protection for exceptional safety. It also has a selectable phase-shift mode for low-EMI lighting applications.

The MIC3230YML-TR has an integrated low-ripple current source and high-side driver with adjustable slew rate. This ensures excellent efficiency, reliability, accuracy, and dynamic control with minimal input voltage and load variation. This device also has a low on-resistance current source MOSFET that allows for low-loss operation and higher efficiency.

The MIC3230YML-TR also has a feedback pin that can be used to externally adjust the LED brightness, or to measure the LED forward voltage. This feedback pin can also be used to synchronize multiple drivers to achieve balanced brightness levels in applications where multiple LEDs are used. The MIC3230YML-TR comes in a small SOIC-8 package for easy board mounting and is suitable for automotive, industrial, and lighting applications.

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