ISL8016IR25Z-T

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PMIC (Power Management Integrated Circuit) is one of the most important components of electronic systems, as it is responsible for converting and controlling the power supply in an efficient manner. The ISL8016IR25Z-T is a multi-output DC-DC synchronous step-down switching regulator that provides superior performance in a variety of applications. This article covers its application field and working principle.

Application Fields

The ISL8016IR25Z-T is designed for powering multiple loads from a single 5.5V to 20V input and can produce outputs from 1.5V to 5V. The device supports a maximum up to 25A combined current, and contains two flexible output channels, each capable of independently controlling its output and achieving the desired flexibility in system design. The ISL8016IR25Z-T is suitable for a wide range of applications including Point-of-Load(POL) converters, embedded systems, portable devices and high-performance digital equipment.

Working Principle

The ISL8016IR25Z-T is based on a Buck topology, with an additional feature that allows the device to run in a burst or pulse-skipping mode. In the burst mode, the device drops the input voltage down to the desired output voltage and then maintains the output voltage by turning off the switching when the current drops below a certain limit. The ISL8016IR25Z-T also comes with an Over Current Limit (OCL) and a Programmable Soft-Start (PSS) features, ensuring an optimal start-up performance. The device supports a wide variety of control loop features, including Pulse-Width Modulator (PWM) mode, Forced Skip Frequency (FSF) mode, and Spread Spectrum for a quiet and efficient operation.

Conclusion

The ISL8016IR25Z-T is a DC-DC synchronous step-down switching regulator that provides excellent performance in a wide range of applications while remaining cost-effective. It is suitable for powering multiple loads from a single input voltage, and produces outputs from 1.5V to 5V with a maximum combined current up to 25A. The device also supports a variety of control loop features, including PWM mode, FSF mode and Spread Spectrum frequency, allowing for an optimal performance. Additionally, the device is equipped with an Over Current Limit (OCL) and a Programmable Soft-Start (PSS) features, ensuring a safe and complex startup sequence.

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