IRU3008CW

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The IRU3008CW is a DC to DC switching regulator. It is part of a family of voltage regulators that are specifically designed for applications in power management. The IRU3008CW is a versatile solution, providing high output currents, adjustable output voltage and full-support circuits for thermal shutdown, power sequencing, and over current protection.

The IRU3008CW operates in a PWM (Pulse Width Modulation) mode to control the voltage across the output load. The PWM control circuit consists of a voltage reference, error amplifier, comparator, and PWM output stage. The error amplifier accepts a feedback signal from the output, and compares this to the reference voltage. If the output voltage is below the reference, the error amplifier increases the duty cycle of the PWM output to increase the output voltage. If the output voltage is above the reference, the error amplifier decreases the duty cycle of the PWM output so that the output voltage decreases. This feedback loop regulates the output voltage precisely.

The PWM output stage then drives an N-channel MOSFET switch that converts the DC input source into a high frequency, pulse width-modulated voltage. This voltage is then converted to a DC output voltage through an inductor-capacitor filter. As the load current increases, the switching frequency increases and the inductor peak current increases. The IRU3008CW incorporates safety features such as over current protection, output short circuit protection, undervoltage lockout, thermal shutdown, and overvoltage protection.

The IRU3008CW is designed for use in a range of power management applications. It is suitable for automotive, consumer, and industrial applications. It can be used to regulate the power of microprocessors and FPGAs, or to provide an adjustable supply power for LED systems and DC motors. It is also a suitable component for use in solar inverters, battery management, and transceivers.

The IRU3008CW is a versatile, high performance DC to DC switching regulator. The adjustable output voltage, full-support circuits, and features such as thermal shutdown, power sequencing and over current protection make it an ideal component for a wide range of power management applications.

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