ISL97671AIRZ

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ISL97671AIRZ is a robust PMIC LED driver that provides high efficiency at low supply voltages. It provides a wide range of LED current levels for both AC and DC applications and features high-fidelity dimming control and a high-resolution digital control interface. The ISL97671AIRZ is a fully integrated single-channel linear driver IC and enables highly efficient driving of intensities from 0.1mA to 100mA.

The ISL97671AIRZ integrates output voltage and current regulation, over-voltage protection, over-temperature protection, brown-in/out protection, and dimming control. It also features DC and PWM dimming control with four LED current levels and adjustable LED current. The ISL97671AIRZ has precise current regulation with 0.1mA resolutio, making it ideal for driving medium- to high-powered LEDs. The device supports both PWM and analog dimming control.

ISL97671AIRZ also offers a unique thermal compensation feature, which allows the LED current to be adjusted in response to the temperature of the LED itself. This ensures that the LED is not overdriven, resulting in improved overall performance and reliability. Furthermore, the ISL97671AIRZ can be used to control the brightness of multiple LEDs by using the built-in dimming control. The device also features an operational under-voltage lockout (UVLO) and a short circuit protection to protect the device from damage.

ISL97671AIRZ is ideal for applications such as LED lighting, backlighting and display systems. The device can be used in applications where high efficiency, wide range brightness control and enhanced thermal management is required. The device can also be used to drive both white and RGB LED systems, making it a perfect choice for LED lighting applications.

In terms of working principle, the ISL97671AIRZ converts an input voltage into a high efficiency output current for driving LEDs. The current regulation is performed by the internal Current Sense Amplifier, which is connected to the LED load. The device also features an output voltage and current-limit adjustment pin to set the output current. The dimming control is handled by the PWM and analog dimming inputs and is compatible with a wide variety of control systems. The device also includes built-in thermal compensation, allowing it to provide consistent current levels over a broad temperature range.

The ISL97671AIRZ is an ideal choice for driving LEDs and providing superior efficiency, reliability and dimming control in a wide variety of applications. Its superior performance, integrated safety features and easy-to-use analog and PWM control make it the perfect choice for powering up LED systems.

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