LDL212PUR

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The LDL212PUR is a three-terminal linear voltage regulator which helps regulate the output voltage and current of a power supply with an output current up to 150mA and a dropout voltage of typically 3.1V. This voltage regulator is designed to withstand over-temperature, over-voltage and over-current conditions. It is especially suitable for low-cost and low-power applications such as portable electronics.

The LDL212PUR is designed for a variety of different applications, including portable electronic devices and battery operated systems. It is used to regulate output voltage, current, and oscillation frequency within an acceptable range. It can be used to power processors, motors, and even digital systems. It can also be used to protect against over-voltage and over-current conditions.

The working principle of LDL212PUR is based on linear voltage regulation. It uses an N-channel MOSFET and a series resistor to regulate the output voltage. The MOSFET acts as the variable resistor, adjusting its resistance to maintain a constant output voltage in the presence of fluctuations in input voltage or load conditions. The resistor provides an additional level of control and serves as a source of hysteresis for the MOSFET.

The voltage drop across the resistor defines the voltage regulation threshold. At the input voltage level set by the voltage drop, the MOSFET will switch off or on, restricting or providing current respectively. The current generated by the MOSFET is then provided to the load at a constant voltage level. The voltage regulator is protected against over-temperature, over-voltage, and over-current using a detailed feedback loop. When an over-temperature condition occurs, the signal to the MOSFET is varied, reducing the output voltage until the condition is corrected.

The LDL212PUR is designed to provide low-cost and low-power solutions with a high degree of accuracy and reliability. It is ideal for portable or battery operated applications and provides the redundancy necessary to ensure proper operation. The linear voltage regulator can help reduce system power consumption and eliminates the need for external components to regulate or monitor output voltage or oscillation frequency. Additionally, the device is highly flexible and can be easily modified for many applications.

In summary, the LDL212PUR is a versatile and reliable linear voltage regulator designed to provide improved efficiency, power savings, and protection against over-voltage and over-current conditions. The device is ideal for low-cost and low-power applications such as portable electronics, motors and digital systems, and can be easily modified to meet specific application requirements. The linear voltage regulator provides a reliable and accurate solution for any power supply design.

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