ISL97675IRZ

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The ISL97675IRZ is a high-performance PMIC - LED Driver that provides a cost-effective solution for powering LED lighting in a wide range of applications. It is a highly integrated device that combines a buck converter, a linear regulator, and advanced safety features in a single chip, enabling efficient power conversion with a wide input voltage range. The driver supports up to 12 strings of LEDs with a maximum current of 500mA per string. In addition, it includes advanced features such as temperature sensing and advanced thermal management.

The buck converter provides the nominal 24V output voltage that is necessary for driving the LEDs. It is capable of operating in continuous or pulse mode, allowing it to adjust its output voltage to the optimal level for driving the LEDs and providing the most efficient illumination. The linear regulator is designed to deliver a secondary output voltage to power any additional electronic components in the system. This can range from 3.3V up to 25V, depending on the requirements of the application. In addition, the integrated temperature sensing feature provides accurate monitoring of the die temperature, allowing the driver to regulate the output current based on temperature.

To ensure robust operation, the ISL97675IRZ includes a variety of safety features to protect the device from any unexpected conditions. It includes an under-voltage lockout (UVLO), an over-voltage lockout (OVLO), and over-temperature protection (OTP). Additionally, a thermal shutdown feature is included to protect the device from excessive operating temperatures. The driver also includes a programmable soft-start feature, which reduces in-rush current and prevents current spikes during start-up.

In addition to the efficient power conversion capabilities, the ISL97675IRZ has an integrated power up/down sequencing feature. This allows the user to set the order in which the different output voltages are powered on and off. This prevents sudden voltage spikes and protects the LEDs from any damage that could occur due to incorrect powering of the system. The driver also features programmable output current and LED dimming capabilities, allowing the user to increase or decrease the illuminance of the LED strings based on their application needs.

The ISL97675IRZ is a great option for powering modern LED lighting designs. Its high level of integration, along with its advanced safety features, ensure reliable and efficient performance in almost any application. From indoor and outdoor lighting to automotive lighting, the ISL97675IRZ is the ideal choice for powering LED lighting designs.

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