IR38064MTRPBF

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Introduction to IR38064MTRPBF

The IR38064MTRPBF is a relative new voltage regulator designed by Infineon Technologies. It is a DC/DC Buck switching regulator that can provide up to 4A output current at a maximum of 5V output voltage. The IR38064MTRPBF is designed to be a more efficient, cost effective and low-noise device compared to its predecessors. It is part of the Power System Management family of products from Infineon.

Application Fields

The IR38064MTRPBF has a wide range of applications, including automotive, industrial, medical and consumer products. It is highly suitable for applications that require reliable bipolar output at various voltages, such as powering integrated circuits, powering microprocessors and voltage regulation in wireless telecommunication products. Other applications include industrial motor control, regulated voltage power supplies and laptop/desktop computer power management.

In automotive applications, the IR38064MTRPBF can be used for brake control, fuel injection, stop/start applications and boosting a battery\'s voltage. It is also capable of operating from both 12V or 24V systems and can provide steady supply voltage of 5V for devices that require linear voltage regulation. In the medical field, the IR38064MTRPBF can be used to supply power to medical imaging, medical device control and patient monitoring devices.

Working Principle

The IR38064MTRPBF is a synchronous buck switching regulator. It changes the input power source\'s voltage to the desired output voltage. The working principle of a buck converter is to control the switch duty cycle to reduce the input voltage to the desired output voltage. This is done by using pulse width modulation (PWM) and Pulse Frequency Modulation (PFM).

When the voltage across the switch turns on, a current is drawn. This current then is charged into the inductor. When the switch turns off, the current will keeps flowing Inside the inductor and is discharged into the output capacitor. This action results in the voltage at the output rising while the current decreases. This action is repeated by the PWM generator, which ensures a steady output voltage.

The IR38064MTRPBF also features an integrated voltage feedback loop with an adjustable target voltage, providing excellent line and load regulation. The integrated error amplifier allows for the output voltage to be accurately regulated. It has a wide operating temperature range between -40 to 85 degrees Celsius and an adjustable switching frequency between 0.5 and 2 MHz to optimize efficiency.

The IR38064MTRPBF also features protection features, such as an over-current protector externally programmable and an over-temperature protection. It is also designed to be low EMI compatible, with a low driver supply current. This helps improve efficiency and reduce overall costs and design complexity.

Conclusion

In conclusion, the IR38064MTRPBF is an efficient and low-noise DC/DC buck switching regulator. It has a wide range of applications, including automotive, industrial, medical and consumer products. Its working principle is based on controlling the switch duty cycle to reduce the input voltage to the desired output voltage, using pulse width modulation (PWM) and Pulse Frequency Modulation (PFM). It has excellent line and load regulation, a wide operating temperature range and protection features, making it a reliable and cost effective voltage regulator for a variety of applications.

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