ISL97682IRTZ

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ISL97682IRTZ is a PMIC product of Intersil Corporation, commonly known as a LED driver. It is specifically designed for mobile device applications and for powering light emitting diodes (LEDs). The device utilizes a step-down switching regulator in a lead free and RoHS compliant surface-mount package. It is ideal for applications such as backlighting and status indicators for products such as smartphones, tablets, and other portable devices.

The ISL97682IRTZ is a highly efficient, DC step-down switching regulator. It utilizes a buck-boost topology to provide dual-string output capability and interoperate with applications that need to drive LEDs using one or two strings. The device has side-by-side output voltage level settings capability, programmable frequency, and a wide input voltage range. It also offers selectable frequency, enabling the user to select an optimal frequency for their application. This provides flexibility to optimize LED performance.

The device’s high-performance output regulation scheme, adjustable voltage feedback tolerance, and low-output ripple make it an ideal solution for applications that require a precise, low-noise output current. Its low noise performance makes it suitable for driving any type of LED, from low-power LEDs for status indication to high-power LEDs for backlighting purposes. Its wide input voltage range allows for operation down to input voltages as low as 2V and up to input voltages as high as 24V.

The ISL97682IRTZ LED driver also features an adaptive resistance control (A.R.S.) to ensure the device is providing the most efficient and reliable output current. A.R.S. technology works by monitoring the average current through the device, adjusting the output voltage based on the measured current, and automatically adjusting the output resistance and switching frequency in order to maintain a constant output current. This ensures a predictable, efficient and reliable output current.

The device also features a current mode control and clock synchronization that allows the device to operate at a fixed frequency while achieving extremely low ripple and noise. The frequency can be adjusted over a wide range, and it can also be synchronized with a separate clock source if desired. The device also has an internal loop compensation, making it easy to set the output current. It also features soft-start circuitry, leading to a smooth start-up procedure.

In summary, the ISL97682IRTZ PMIC product from Intersil Corporation is a versatile, high-performance LED driver. It provides an efficient, reliable, and predictable output current and an impressive input voltage range. The device is ideal for applications requiring low-noise operation, such as driving LED backlighting and status indicators. It is a lead-free and RoHS compliant device, making it ideal for applications in green electronic products.

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