ISL97683IRTZ

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LEDs are now widely used in consumer lighting products that require regulated current sources, and the ISL97683IRTZ PMIC from Intersil Corporation is one of the most popular products in the industry. This PMIC has a wide range of applications, including consumer electronics, automotive and industrial applications. The ISL97683IRTZ offers an excellent combination of features, such as low voltage operation, high accuracy, fast over-temperature protection, and an on/off switch. It also provides a wide range of current control, making it ideal for a variety of LED applications.

The ISL97683IRTZ is a single-channel LED driver with integrated voltage, current, temperature and over-temperature protection features. The device is designed to provide LED current protection against over-temperature and short circuit conditions. When temperatures rise above the programmable threshold (125°C typical), the device shuts down the LED current and latches on until the temperature is below the threshold (160°C typical). In addition, the device comes with a short-circuit protection that shuts down the LED current when a short circuit is detected.

The ISL97683IRTZ operates from a wide input voltage range of 4.75V to 18V and can deliver a continuous LED current of up to 25mA. It also provides an adjustable peak LED current of up to 100mA. The output current and voltage are adjusted using external resistors.

The ISL97683IRTZ includes a precise reference bias current and a wide feedback range, enabling the device to accurately regulate output currents over a large range of LED forward voltages. The device offers high accuracy, with a typical accuracy of 250mV. This ensures that the LED current is always operating within design parameters and that the device will not be overdriven or underdriven.

The device has a built-in thermal shutdown feature that provides over-temperature protection. The device includes a temperature sensor that measures the device temperature and shuts down the LED current if the device exceeds its maximum operating temperature (typically 160°C). This prevents the LEDs from becoming too hot, which can cause permanent damage.

The ISL97683IRTZ also includes a power-good indicator (PGOOD) output that signals when the device is operating properly. This output is useful for monitoring the device’s state and can be used to shut off the power supply when the device is not operating properly.

The ISL97683IRTZ is an ideal choice for applications that require precise LED current regulation, such as LED lighting and LCD backlighting. The device offers an efficient and reliable solution for a variety of LED-based designs and is an excellent choice for applications that require a highly accurate, fast-acting, and cost-effective LED driver.

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