ISL6534CRZ-TR5229

The ISL6534CRZ-TR5229 is a component that is included in the family of voltage regulators, either linear or switching. These products are essential for monitoring and protecting circuits for over current, over voltage, and other conditions that can cause harm to the system. They are a type of Power Management Integrated Circuit (PMIC), and make a great power supply for many applications.

General Features

The ISL6534CRZ-TR5229 offers 8~36V input voltage range and two output voltage selections, one is preset at 5V scalable to 3.3V, another is preset at 3.3V scalable to 2.5V. It has PWM control, fast transient response, Independent enable supply and output, Up to 95% efficient, RoHS compliant, and low shutdown current. It also offers a wide variety of features such as over voltage, under voltage, over current, and over temperature protection, as well as EMC immunity, and programmable output voltage.

Applications

The ISL6534CRZ-TR5229 is frequently used in note book, desktop computers, LCD screens, networking equipment and any other applications that require voltage regulation. It can be used in applications where the output voltage needs to be stable, even when the input voltage varies. It can be used in portable electronics such as mobile phones, pagers, portable media players, and GPS devices. Additionally, this IC can be used for PDAs and other handheld devices, as well as for industrial applications, automotive applications, and instrumentation.

Working Principle

The ISL6534CRZ-TR5229 works by comparing the voltage output of the regulator to an adjustable reference voltage, generating a control signal that is used to adjust an internal switch in the feedback loop. This switch is then used to regulate the output voltage, by modulating the current draw from the voltage source. The control loop ensures that the output voltage is maintained, while the input voltage is allowed to vary. The other active components within the circuit consist of a voltage divider, regulator, driver circuit, and active PWM circuit. Additionally, the ISL6534CRZ-TR5229 features soft start, over temperature and over current protection.

Conclusion

The ISL6534CRZ-TR5229 is an excellent choice for application requiring voltage regulation, offering fast transient response, high efficiency, and a comprehensive protection system. This IC can handle 8V~36V input voltage range, and offers two output voltage options, with 3.3/2.5V output scalable from 5/3.3V. Together with its independent enable supply and output, wide EMC immunity, and programmable output voltage, the ISL6534CRZ-TR5229 is a great choice for applications requiring reliable voltage regulation.