ISL80015AIRZ-T

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The ISL80015AIRZ-T is a DC/DC power converter integrated circuit (IC) designed to perform a simple yet efficient switching regulator transformation to manage voltage regulation, whether it is step-down (buck), step-up (boost), or inverting. This switching regulator has been designed to have very low dynamic and static power losses, allowing very high efficiency of power conversion. Its power components have been incorporated in a single, low-profile package that can be used for a variety of applications.

Design Specifications of ISL80015AIRZ-T

The ISL80015AIRZ-T is a non-synchronous buck converter that has an input voltage range of 5V to 24V with a wide variety of operating temperatures between -40°C and +85°C. It has an internal power MOSFET with 550mA peak current capacity. The quiescent current is around 12mA, with a maximum power dissipation of 2.21W. The ISL80015AIR-T features key features such as programmable soft-start time and power good comparator with a built-in delay time.

Applications of ISL80015AIRZ-T

Due to its versatile design, the ISL80015AIRZ-T is capable of a variety of applications, such as automotives, computer peripherals, consumer electronics, distributed point-of-load converters, industrial, medical systems, and networking. The ISL80015AIRZ-T can be used to create a non-synchronous buck converter for the step-down of battery voltage. The ISL80015AIRZ-T can also be used to step-up or step-down a DC rail by creating a boost converter or a buck-boost converter, respectively. Furthermore, the ISL80015AIRZ-T can be used for dual-rail power supply design, as well as for creating a flyback converter through the combination of two ISL80015AIRZ-T devices.

Working Principle of ISL80015AIRZ-T

The working principle of the ISL80015AIRZ-T is that of a synchronous buck converter. The device is made up of two phases: the main power stage and the control section. The main power stage switches between two channels. In the first channel, the MOSFET switches to the VIN line, allowing current to flow through the inductor and load. In the second channel, the MOSFET switches to ground, causing the inductor to discharge, allowing the current to flow through the load in the reverse direction. In between these two channels, the control section sets the duty cycle of the MOSFET, affecting the amount of energy transferred from the input voltage to the output voltage.

The ISL80015AIRZ-T has an integrated power stage where an external MOSFET is not required. This reduces circuit complexity and decreases the size of the PCB footprint. Additionally, the device includes accurate current regulation and short circuit protection which ensures safe operation. The device also has programmable soft-start time and power good functionality which offers reliable system performance.

Conclusion

The ISL80015AIRZ-T is a DC/DC power converter IC designed for a variety of applications. Its key features include an integrated power stage, programmable soft-start time, and power good comparator with a built-in delay time. It has a low quiescent current and a moderate peak current capacity. The ISL80015AIRZ-T can create a variety of switching regulator arrangements, such as step-down, step-up, and inverting designs. Its intelligent design allows it to achieve maximum efficiency and reliability, making it an ideal power conversion solution for many applications.

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