ISL6522IB-T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ISL6522IB-T is a highly integrated synchronous buck controller that features cycle-by-cycle current limiting and auto-compensation voltage regulation to improve system efficiency, accuracy, and reliability. It is a highly versatile DC-to-DC controller, able to be used in any synchronous buck converter application with constant frequency operation. The ISL6522IB-T combines the benefits of traditional voltage regulator design with modern digital feedback control, providing both high efficiency and improved accuracy.

This IC is designed to provide constant current and constant voltage to a variety of loads such as microprocessors, memory chips, FPGAs, ASICs, and other logic devices. One of the main advantages of the ISL6522IB-T is its ability to operate at frequencies up to 1MHz, allowing for up to two-phase operation with high switching speeds. This enables efficient power conversion with no noise generated due to high-frequency operation, which is why this device is recommended in space-constrained applications. Additionally, the ISL6522IB-T also features cycle-by-cycle current limiting, which improves the system\'s reliability by preventing overvoltage, overtemperature, and undervoltage conditions.

On the input side of the IC is an integrated voltage regulator, which is adjustable to the load requirements and improves system accuracy, efficiency, and a wide range of input voltages. Additionally, the ISL6522IB-T also features programmable undervoltage lockout (UVLO) and hysteresis, as well as selectable forced PWM or fixed-frequency modes, enabling the device to work with a variety of switching requirements. The frequency can also be adjusted via an external resistor setting or externally applied voltage.

The device also integrates a low-side MOSFET gate driver, which enables efficient switching at high frequency and low side current sensing. In order to minimize noise and maintain accuracy, the ISL6522IB-T includes an integrated digital bandwidth filter and slope compensation to minimize the effects of noise on the output. Additionally, the device also features dynamic phase and frequency slope modulation, dynamic phase advance, and spread spectrum operation to reduce EMI.

The ISL6522IB-T is suitable for a wide array of applications that require precise digital feedback control, including notebook, desktop, consumer, and automotive applications. With its advanced digital control and low-side MOSFET gate driver, the ISL6522IB-T is one of the most efficient and precise solutions for any switching buck converter application.

The specific data is subject to PDF, and the above content is for reference