IRU3034CSTR

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The IRU3034CSTR is a special purpose voltage regulator from IR (International Rectifier). It is part of the IRU3000C Series of voltage regulators and is designed specifically to provide a stable output voltage in a wide range of applications. The device can be used both as a primary and secondary voltage regulator, and its wide input range makes it suitable for applications where the existing power supply is variable or unpredictable. Furthermore, the device is designed to provide high efficiency and reliable operation even in challenging environments such as industrial, automotive and aerospace.

The IRU3034CSTR is capable of regulating the output voltage up to 20 volts with a tolerance of ±2%. The IRU3034CSTR also boasts a wide range of other features including transient protection, short circuit protection, over-voltage protection, soft-start and thermal shutdown. Additionally, this device is able to achieve a low output noise of less than 5mV, making it an ideal choice for devices requiring an ultra-low noise power supply.

Working Principle

The working principle of the IRU3034CSTR is relatively simple. The device uses a voltage regulator integrated circuit (IC) to create a stable voltage at the output. The IC is controlled using a feedback loop which compares the output voltage to the desired setpoint, adjusting the current flowing through the IC accordingly. The IC is also able to sense the level of load applied to the output and automatically adjust its output accordingly.

In order to ensure a consistent output voltage, the device uses precision voltage references. These references are used as a reference point for the voltage regulator IC to ensure that the output voltage stays consistent. In addition, an optional output capacitor can be used for improved EMI performance.

The device is powered by a wide input voltage range from 4.5V to 20V, and its high efficiency of up to 92% ensures a successful power conversion in a wide range of applications. In addition, the device is able to provide a low output noise of less than 5mV, making it suitable for devices requiring an ultra-low noise power supply.

Applications

The IRU3034CSTR is designed for use in a wide range of applications. The device is most frequently used in automotive, industrial, and aerospace applications, and its wide input range makes it ideal for applications where the existing power supply is variable or unpredictable. Additionally, the device can be used as both a primary and secondary voltage regulator, making it suitable for a wide range of applications such as communications infrastructures, vehicle electronics, and high voltage DC/DC converters.

The device’s wide input range also makes it suitable for various automotive applications such as headlamp dimming, HVAC controllers, and power steering. Furthermore, its wide temperature range from -40°C to +125°C and its highly efficient operation makes it suitable for applications where energy efficiency is paramount.

Conclusion

The IRU3034CSTR is a high performance voltage regulator designed for use in a wide range of applications. It is capable of regulating the output voltage up to 20 volts with a tolerance of ±2%, while its low output noise of less than 5mV makes it suitable for devices requiring an ultra-low noise power supply. Furthermore, the device boasts a wide range of features including transient protection, short circuit protection, over-voltage protection, soft-start, and thermal shutdown. Overall, the IRU3034CSTR is an ideal choice for applications where a stable output voltage is required.

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