ISL91107IRTNZ

PMIC - Voltage Regulators - DC DC Switching Regulators

ISL91107IRTNZ are high efficiency, DC-DC buck regulators that offer robust features and advanced performance for processor cores, memory cards and microcontrollers. ISL91107IRTNZ is designed to deliver up to 1.2 A current, with built-in adaptive on-time control and switching frequency synchronization, while providing protection against input overvoltage, output overvoltage and over-temperature.

Application Field

ISL91107IRTNZ is suitable for a wide range of consumer and industrial applications, including USB power management, consumer electronics, industrial product, HVAC and white goods. Whether used to power a tablet or a robot, ISL91107IRTNZ can significantly improve efficiency of the power solution.

Working Principle

ISL91107IRTNZ works on the principle of pulse width modulation (PWM). During typical operation, an input voltage is applied to the device, which is regulated by the PWM circuit. PWM will adjust the width and frequency of current pulses, regulating the output current. For example, when implementing a 2 A output, the device will continuously generate and pulse with 2 A current. The efficiency of the circuit is improved by utilizing adaptive on-time control, synchronous rectification and low RDS(ON) MOSFETs, reducing the losses and increasing efficiency.

Protection Features

ISL91107IRTNZ integrates multiple protections including input and output overvoltage, cycle-by-cycle current limit, output over current and thermal warning/shutdown. These features protect the system from overloads and ensure the safety of the device and the application.

Conclusion

In conclusion, ISL91107IRTNZ is a suitable choice for power management solutions, it has a wide range of application fields, works on the pulse width modulation principle, and incorporates multiple protection features. With its high efficiency, wide configuration, and various protections, ISL91107IRTNZ can offer a reliable and cost-effective solution for processor cores, memory cards and microcontrollers.