ISL8843MUZ-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

Peripheral management ICs (PMICs) play an important role in providing efficient and reliable power management for a wide range of applications. In the PMIC category, voltage regulators and DC-DC switching controllers help to ensure devices have the right power supply, taking into account the electrical characteristics of their components. Of the many products available in this field, the ISL8843MUZ-T is a popular solution.

The ISL8843MUZ-T is a non-synchronous, four-phase pulse-width modulated (PWM) voltage regulator controller. Specifically, it is a high frequency DC-DC voltage regulator controller which provides up to four phases of parallel operation for step-down and step-up regulators. It features an internal frequency adjustable from 150kHz to 2MHz, as well as selectable hysteretic and two-loop architectures.

The integrated high gain error amplifier takes input from the external resistor divider and provides an error in regulation voltage to the flipped voltage difference amplifier known as the current sense amplifier. This amplifier senses the output current by measuring the voltage drop between the output and the sense node of each phase. This provides the information necessary to adjust the duty cycle of the PWM signals, enabling the controller to maintain the output voltage at its programmed value.

The operating frequency and switch current level of the controller\'s four power switches can be programmed using external components, while dedicated pins control the soft-start and load-switch functions, as well as providing thermal shutdown and over- voltage protection. In addition to the ISL8843MUZ-T product, the ISL8843MUX product family also includes the ISL8843MP-T which offers up to six output phases, and the ISL8843SZ-T which features synchronous rectification.

ISL8843MUZ-T controllers are cost-effective and efficient power solutions for a wide range of applications, such as portable and base station power management in the telecom industry, data centers and industrial equipment. Due to their four-phase architecture, the controllers provide the flexibility to fit a wide range of designs, allowing designers to tailor the frequency, size and current level of the power switch to the needs of their application. The controllers also provide a high level of system reliability with multiple protection features, such as integrated over-voltage protection, current limit, soft-start and under-voltage lockout.

The ISL8843MUZ-T is an ideal solution for digital power systems which need reliable and efficient DC-DC voltage regulation, offering the flexibility and system safety required for the most challenging applications. With its cost-effectiveness, high efficiency and reliable performance, the ISL8843MUZ-T makes a great choice for many applications.

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