ISL6723AABZ-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

ISL6723AABZ-T is a DC DC switching controller manufactured by Renesas Electronics Corp, which is mostly used in applications that require high power efficiency.

Overview

The ISL6723AABZ-T is part of Renesas Electronics’ portfolio of high-efficiency DC-DC switching controllers and offers a variety of features such as built-in adaptive on-time regulation, accurate current limit protection, integrated MOSFET driver, reverse current protection, and a minimum of external components. It also has several pins configurable for various applications.

The chip can be used to design high power density, high efficiency, and reliable DC DC converters, as well as other configurable power solutions.

Application Fields

ISL6723AABZ-T is an ideal choice for a wide variety of applications requiring high power efficiency. It is mostly suitable for low-to-medium current applications, such as desktop and notebook computers, consumer electronics, battery-powered equipment, and data centers.

The chip can be used to design a DC DC converter that can provide the power supply for high-power systems and consumer appliances, such as AC/DC and short-to-long-term backup.

Working Principle

The ISL6723AABZ-T DC DC switching controller works to deliver a regulated voltage based on a digitally-controlled efficiency control loop. It is made up of a main control section, a step-down PWM controller, an adaptive oscillator and comparator , an output current limit reference circuit, and several other circuits.

The main control section consists of two sections – the logic control section and the voltage regulation section. The logic control section controls the oscillator speed, current limit, and soft start time. The voltage regulation section sets the target output voltage based on the logic control signals from the logic control section.

The step-down PWM controller converts the digitally-controlled signal from the main control section into a valid PWM signal. This PWM signal determines the duty cycle of the output voltage.

The adaptive oscillator and comparator section establish the timing portion of the output voltage regulation. This section ensures that the output voltage is swiftly and accurately regulated in response to any changes in the input voltage or load requirements.

The output current limit reference circuit is used to set the upper and lower current limit values. This circuit keeps the output current within a safe operating range.

Conclusion

The ISL6723AABZ-T DC DC switching controller from Renesas Electronics is a versatile solution for efficient power delivery in a variety of applications. It offers a number of features such as adjustable output current, adaptive on-time regulation, built-in MOSFET driver and accurate current limit protection, as well as reverse current protection. With its simple configuration and support for multiple output step-down converters, it is an ideal choice for most power applications.

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