ISL97686IRTZ-T

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ISL97686IRTZ-T belongs to PMIC--LED Drivers. It offers a complete set of features to operate with either 3V or 5V supplies, and provides a wide range of dimming and color mixing capabilities. With its regulated output current, it provides an efficient strategy to control various system loads with high accuracy and low power consumption.

The basic function of ISL97686IRTZ-T LED Drivers is to provide LED brightness/pulse width modulation (PWM) dimming control from any dimming interface. It can offer a variety of dimming control, including pulsewidth modulation (PWM) and linear current control, to meet the application requirements. The ISL97686IRTZ-T can be used to power and dim up to four independent strings of LEDs. Through its onboard resistors, it can be used to set the maximum LED current, while the dimming control pin provides the ability to dim the LEDs. This device has four basic channels, each with independent PWM input and adjustable boost converter current limit settings and various synchronous rectification modes to provide maximum efficiency.

ISL97686IRTZ-T application field includes indoor and outdoor lighting systems and automotive electronics. It is an ideal choice for general lighting and automotive applications in which color mixing and dimming is required. The device has the ability to provide accurate dimming and color mixing levels for the integrated lighting systems. The advanced high voltage Buck converter architecture provides up to 20V input voltage and up to 1000mA of output current capable of driving LEDs up to 35V. The device also has a temperature compensation feature to ensure accurate and reliable operation at different temperatures.

ISL97686IRTZ-T working principle is based on the PWM/Linear current control feature. The device features a PWM input, providing full range dimming from zero intensity to full intensity. Meanwhile, the device can also work in the linear mode, providing linear current control. The device is optimized to provide highly linear current control, with no audible noise and no visible pulsing of the LEDs to maintain better visual effects. Additionally, the device includes a synchronous rectification feature that can be enabled or disabled to further enhance the efficiency of the LED driver. The device also includes a built-in temperature sensing circuit that can be used to adjust the LED current to keep the LED brightness consistent when the temperature changes.

In conclusion, ISL97686IRTZ-T is a highly efficient LED driver which can be used in many lighting systems and automotive applications. It provides features such as PWM and linear current control, adjustable boost converter current limit settings and synchronous rectification. It provides accurate dimming and color mixing capabilities, and can drive LEDs up to 35V. Additionally, it includes temperature compensation for reliable operation over a wide temperature range.

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