KD1084DT33R

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KD1084DT33R, a high performance step-down voltage regulator, is a low dropout three-terminal regulator. It is output to variable voltage and current with an adjustable range of 1.25V ~ 28V and up to 300mAoutput current. This voltage regulator is a type of linear voltage regulator which is composed of a MOSFET, an operating amplifier, an error amplifier, a temperature protective circuit, a reference voltage source, and some other passive components. The external pin configuration allows for easy and safe installation with minimal setup complications.

The primary application field of the KD1084DT33R would be in the area of portable device chargers, communication equipment, automotive, industrial and consumer electronics. This voltage regulator is designed to regulate input voltage from most portable devices, including Li-ion batteries, to a desired output voltage and current. With its compact size, the component can be easily integrated into the PCB designs without adding any bulky parts.

The working principle of the KD1084DT33R is based on an internal buck converter as the main controller. MOSFETs are used to control the power conversion and this is done by varying the gate voltage of the MOSFET which is controlled by the operating amplifier. The error amplifier is connected to the output terminal and feedbacks information to the operating amplifier in order to compensate the output voltage. The voltage reference circuit generates a reference voltage at the end of the feedback loop and the output voltage is adjusted by comparing the reference voltage to the feedback signal.

The temperature protection circuit of the KD1084DT33R consists of an internal temperature sensor that monitors the junction temperature of the regulator and activates the protection circuit in case of an overload or over temperature. As for the current limiting, KD1084DT33R uses an internal current-sense resistor which limits the output current when it exceeds a certain amount. When the output current increases to a certain point, the voltage drop on the current-sense resistor will be greater than the limitation and the current-sense signal will turn off the converter to limit the current flow through the circuit.

In conclusion, KD1084DT33R is an excellent choice for users who require a high performance step-down voltage regulator. Its excellent performance and long-term reliability make it suitable for applications such as portable device chargers, communication equipment, automotive, industrial and consumer electronics. With its high efficiency and low output ripple, the KD1084DT33R can provide a clean and steady output voltage and current to power your circuits and devices.

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