ISL6455IRZ

Series:	--
Packaging:	--
Part Status:	Obsolete
Applications:	Converter, FPGA
Voltage - Input:	3 V ~ 3.6 V
Number of Outputs:	3
Voltage - Output:	0.8 V ~ 2.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)
Base Part Number:	ISL6455

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Introduction

ISL6455IRZ is a special purpose voltage regulator from Intersil which is capable of providing voltages from 3V to 24V. It is specifically designed for intensive applications, such as flight systems and aircraft computers, where reliable voltage regulation is critical. The ISL6455IRZ is a simple and cost-effective solution for providing power to critical components in high-rigor flight applications. Additionally, the ISL6455IRZ is designed to integrate seamlessly with existing systems, providing additional flexibility.

Application fields

The ISL6455IRZ is designed to meet the intense requirements of aerospace systems and other high-power applications. It provides tight voltage regulation and excellent efficiency, allowing it to operate under high current loads. It is capable of supplying high current with low output noise, making it an ideal choice for powering large-scale systems.The ISL6455IRZ is commonly used for voltage regulation in applications ranging from aircraft computers and flight systems to automotive electronics, home security systems, and medical devices. It is also well-suited to applications where low noise and high efficiency are paramount, such as radio equipment, communications systems, and instrumentation.

Working principle

The ISL6455IRZ is a linear regulating circuit. This type of regulator is based on the principle of negative feedback, where the output voltage is continuously adjusted to maintain a constant voltage by comparing the output voltage to the reference voltage. The output voltage is adjusted using the input voltage, the reference voltage, and an adjustable resistor.The adjustable resistor is typically a potentiometer, which can be adjusted to match the output voltage to the reference voltage. As the output voltage rises, it is compared to the reference voltage and the potentiometer is adjusted accordingly until the two voltages match. Once the voltage is matched, the regulator will maintain the output voltage at that level.

Advantages and disadvantages

The main advantage of the ISL6455IRZ is its reliability, as it is capable of providing stable voltage regulation with minimal noise. Additionally, its cost-effectiveness makes it a good choice for many applications. It is also well-suited to high-current applications, as it is capable of providing consistent and reliable operation even when under heavy loads.However, the ISL6455IRZ is not as flexible or efficient as other types of voltage regulators, and it is not suitable for applications where a very small amount of voltage adjustment is necessary. Furthermore, the accuracy of the regulator can vary depending on external factors such as temperature and load current.

Conclusion

The ISL6455IRZ is an excellent choice for applications that require reliable voltage regulation, such as aircraft computers and flight systems. It is cost-effective, reliable, and well-suited to high-current applications. However, its flexibility and accuracy are somewhat limited, and it is not suitable for applications that require very small voltage adjustments.

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