REG71050DDCT

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REG71050DDCT is the acronym of type step-down, monolithic synchronous integrated voltage regulator. It has high efficiency current mode operation and a wide range of input voltage, and also provides many features suitable for a wide range of applications. It is one of the most popular DC DC switching regulators used in power management integrated circuits.

Application field

The REG71050DDCT step-down voltage regulator implements a wide range of applications such as embedded systems, industrial and consumer electronics, automotive, set-top boxes, game consoles, and audio/video equipment with its highly efficient current mode operation and wide range of input voltages.

The REG71050DDCT voltage regulator maintains a high-efficiency design with a range of adjustable output voltage from 0.9V to 11V and an input voltage from 7V to 30V. It has an adjustable operating frequency from 150KHz to 500KHz to optimize efficiency for different applications. It can provide up to 3A current and still maintain a high efficiency.

The REG71050DDCT voltage regulator also provides features that make it suitable for a wide range of applications. It has a low-ripple, ultra-low-noise regulation and is available in a SOT-23 package that can easily be attached to a PCB. The device also includes a soft-start and adjustable under-voltage lockout features, making it suitable for battery-operated applications. The device also has a current-mode PWM controller that helps to optimize efficiency. In addition, the device includes a wide range of protection features such as over-temperature protection, over-current protection, over-voltage protection, and short-circuit protection.

Working Principle

The REG71050DDCT voltage regulator works based on the switching regulator mechanism with a PWM controller. The PWM controller converts the input voltage into a high-frequency voltage waveform. The waveform is then fed to the switching element, which is usually a power transistor. The switching element then turns the input voltage into a regulated output voltage.

The switching regulator mechanism consists of three main components: the control circuit, the power stage, and the feedback path. The control circuit is responsible for the generation of the PWM voltage waveform based on the input voltage. The power stage is the component that uses the PWM signal to control the switching element. The feedback path is the component that measures the output voltage and adjusts the duty cycle of the PWM to maintain a constant output voltage.

The REG71050DDCT voltage regulator also includes a low-ripple, ultra-low-noise regulation that offers better noise performance than conventional linear voltage regulators. The device also includes a soft-start and adjustable under-voltage lockout feature, making it suitable for battery-operated applications. In addition, the device includes a wide range of protection features such as over-temperature protection, over-current protection, over-voltage protection, and short-circuit protection for improved reliability.

The REG71050DDCT voltage regulator is a high-efficiency current-mode operation that can provide maximum output current up to 3A and an input voltage from 7V to 30V. It also has an adjustable operating frequency from 150KHz to 500KHz that can be used to optimize efficiency for different applications.

The REG71050DDCT voltage regulator is a highly efficient DC DC switching regulator that is suitable for a wide range of applications, due to its high efficiency current-mode operation, wide range of input voltage, and many features.

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