ISL78100ARZ-T7A Integrated Circuits (ICs)

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The ISL78100ARZ-T7A is a high-performance drain-to-source synchronous buck LED driver integrated circuit designed for LED lighting applications. It is classified as a PMIC (Power Management Integrated Circuit) LED driver and can be used in LED lighting and LED backlighting applications. The device supports a wide range of LED applications from 0.2A up to 4A and can be used to operate LEDs in multiple configurations, including single-string, multi-string, and multi-channel configuration.

The ISL78100ARZ-T7A uses a switching converter topology to provide high efficiency and versatility, allowing users to configure output parameters such as current, voltage, and power in accordance with specific lighting requirements. The device also features built-in fault and protection features such as over-current, under-voltage protection and thermal shutdown that help to keep the connected LEDs safe from damage. Additionally, the device can be triggered from either logic-level inputs or an external PWM signal and also supports direct dimming from adjuster-style potentiometers.

The ISL78100ARZ-T7A has a maximum supply voltage of 24V and an operating temperature range of -40 to +105°C, making it perfect for high-temperature applications. The device also features a wide input voltage range of 4.5V to 40V, allowing it to be operated from a variety of power sources. The device can be used to drive LED strings consisting of up to four LED strings with a maximum output current of 4A per channel.

The ISL78100ARZ-T7A provides excellent transient response with low ripple and noise levels, resulting in smooth, consistent LED operation. Additionally, the device has a wide selection of external components, including inductors, ceramic capacitors, and Schottky diodes, allowing for flexibility when designing the LED driver circuit. The device is available in a 7x7x0.75mm QFN-32 package, allowing it to be used in space-constrained designs.

In summary, the ISL78100ARZ-T7A is a versatile, high efficiency LED driver integrated circuit designed for LED lighting applications in a variety of configurations. It features a wide supply voltage range, excellent transient response, and a range of external components for flexible design. Additionally, its temperature range and 7x7x0.75mm QFN-32 package make it ideal for high-temperature and space-constrained applications.

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