ISL97516IUZ-T

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The correct power supply is critical for a broad range of applications. Engineers are constantly striving efficiently, reliably, and cost-effectively regulate voltage in electronics and telecommunications, making sure that even the slightest of fluctuations don\'t disrupt the application. That is why DC DC switching regulators like the ISL97516IUZ-T have become immensely popular.

The ISL97516IUZ-T, a dual-channel low voltage/ultra-low voltage DC/DC synchronous buck controller by Renesas, is a powerful, robust and efficient regulator perfect for 1.8V and 3.3V applications.

Features and Benefits

The ISL97516IUZ-T is designed to take a wide 2.3V to 5.5V input, and output up to 3.3V with up to 500mA current. It also offers adjustable slew rate and overcurrent protection, as well as cycle-by-cycle current limit protection, making it ideal for those applications requiring fast or slow response times.

The ISL97516IUZ-T features an integrated negative charge pump, a reference voltage of 0.6V, and dual power outputs for two separate loads. The device is also highly efficient, with low quiescent current, low external component count and cost, and very small form factor. Additionally, it has excellent transient response, and can be used to supply a wide variety of loads, from small static loads to high-load applications.

Application

The ISL97516IUZ-T is ideal for a wide range of applications--from-cell phone base stations, routers and backbones to embedded devices, industrial and automotive applications. It can be used in cellular base stations, LTE and 5G infrastructure, as well as networking, computing and security systems that require low voltage and ultra-low voltage outputs.

The device is also well suited for automotive applications that require reliable operation in electrically noisy environments. The low quiescent current and small form factor make it ideal for automotive systems that need small inductors and low component count.

Working Principle

The ISL97516IUZ-T uses a synchronous buck converter configuration to regulate voltage. This type of switching regulator works by switching a large capacitor between the input and output, allowing the current to smoothly flow between them. As the input voltage fluctuates, so does the output voltage, preserving the desired levels at all times.

The ISL97516IUZ-T also features integrated MOSFETs for power supply control and improved efficiency. The integrated MOSFETs allow for higher current levels to be transferred from the input to the output, thus improving efficiency and reliability.

Conclusion

The ISL97516IUZ-T by Renesas is an extremely versatile and reliable DC DC buck converter that is perfect for 1.8V and 3.3V systems. It offers excellent efficiency, low quiescent current, adjustable slew rate, and overcurrent protection, and is suitable for a wide range of applications, from cell phone base stations to automotive systems. The dual power outputs, integrated negative charge pump, and reference voltage of 0.6V also make it an attractive option for those looking for a reliable and efficient DC/DC converter.

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