ISL6227HRZ

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The ISL6227HRZ is a special purpose voltage regulator in the Power Management Integrated Circuit (PMIC) family of products. It is specifically designed to provide a consistent, flexible voltage supply to an isolated load while also protecting the load from surges, overloading, and voltage drops. The ISL6227HRZ combines the benefits of both a linear and a switching regulator while providing improved thermal performance, stability and reliability.

The ISL6227HRZ is specifically designed for applications such as point-of-load (POL) and portable system power supplies, as well as automotive and telecom power applications. It is also suitable for other applications where high performance, high efficiency and low noise are important requirements. The ISL6227HRZ is capable of providing up to 20A of current and a wide range of output voltages from 0.6V-4.8V.

The ISL6227HRZ is designed using a buck-boost topology. This topology combines the best of both linear and switching regulators into a single circuit. It offers high efficiency, low input voltage ripple, high output voltage accuracy and low noise operation. The ISL6227HRZ is optimized for applications that require low external component counts while maintaining a low profile solution.

The ISL6227HRZ features an active voltage positioning circuit that enables the load to maintain a consistent output voltage despite input voltage variations and load changes. It also features an add-on circuit that reduces the need for external components, allowing system designers more flexibility in the implementation of their design. Additionally, the ISL6227HRZ provides integrated overcurrent, overtemperature and short-circuit protection.

The ISL6227HRZ also incorporates an adjustable soft-start circuit which allows the power supply designer to control the start-up time and current, providing a streamlined solution for applications that require an adjustable output voltage. Additionally, it offers a power-good indicator, enabling the system designer to monitor the power consumption of the application.

The ISL6227HRZ is also highly efficient, providing up to 90% efficiency, making it extremely attractive for applications where power savings and audit on efficiency are of great importance. In summary, the ISL6227HRZ is a highly efficient, low-cost voltage regulator designed for a variety of specialized applications. It provides power savings, improved thermal performance, and integrated protection against over-current, over-temperature, and short-circuits. Additionally, the ISL6227HRZ is a flexible device with an adjustable soft-start feature, power-good indicator, and an adjustable voltage-positioning circuit.

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