ISL97682IRTZ-T

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The ISL97682IRTZ-T is a pulse-width modulation (PWM) LED driver for driving LED display boards. It is a state-of-the-art, highly-configurable and efficient LED driver that offers a rich complement of features and performance optimized for applications ranging from single LED backlight to multi-LED video walls. With an input voltage range of 8 V – 36 V, and an operating temperature range of -40 °C to +85 °C, this device is ideal for illuminating LCD displays, LED displays, and other LED applications.

The ISL97682IRTZ-T PWM LED driver allows users to control the current and brightness of up to 8 LEDs connected in either series or parallel. It features an adjustable pulse frequency to minimize audible noise and a fast response time of 4 mA to 30mA of changes in current. Its protected PWM output features open, short circuit and over current protection to ensure a safe and reliable operation in any type of environment. The ISL97682IRTZ-T also supports flex drive modes, which allow the user to adjust the full scale current range to minimize power dissipation and to optimize for the specific characteristics of the LED array.

The ISL97682IRTZ-T\'s working principle lies in its ability to regulate the power output of an LED array by controlling the current and using pulse width modulation (PWM). In PWM operation the LED driver produces a series of pulses at a fixed frequency, and the duty cycle (the ratio of the on time to the off time) of each pulse is varied to produce a desired level of illumination. At lower duty cycles the LED array produces less light, and at higher duty cycles greater light output. By adjusting the pulse width and/or frequency, a wide range of brightness values can be achieved.

The ISL97682IRTZ-T is designed to provide a precise and efficient LED illumination solution. It features an internal voltage reference and accurately regulates the intensity of the LEDs. It is capable of driving up to 8 LEDs with a constant current up to 30 mA per string. The PWM output is also protected against open, short, and over current conditions. The part also provides a high tolerance for power supply ripple, excellent transient response, and supports a wide range of supply voltages.

The ISL97682IRTZ-T is a versatile, high-performance, and highly configurable device that is designed to facilitate the implementation of lighting solutions in power management applications. With its wide input voltage range, adjustable PWM pulse width, and excellent protection features, this driver is ideal for various applications, including LCD and LED displays, multi-LED video walls, and other lighting applications.

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