LD2985AM33R

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The LD2985AM33R is a high performance, low power, three-terminal low dropout adjustable linear regulator. It is designed to provide a regulated voltage (3.3 V) with a maximum output current of 1 A. The regulator uses a P-channel MOSFET as the main pass device, providing a low dropout voltage, fast transient response and a high power supply rejection ratio (PSRR).

The LD2985AM33R application field is mainly aimed at compact and portable power solutions, such as communication systems, automotive systems, industrial systems, medical equipment and consumer electronics. Additionally, the device has an adjustable output voltage ranging from 1.25V-3.3V, which offers the flexibility to use this device in multiple applications with the same output voltage.

This regulator is designed to make life easier for the system designer, as the LD2985AM33R was designed with a unique circuit architecture that allows it to minimize its power consumption while providing fast transient response and high line and load regulation performance. The device also includes a low quiescent current (IQ) mode and adjustable current limit, making it suitable for a wide range of applications.

The working principle of the LD2985AM33R is simple and consists of a three-terminal adjustable regulator. The main core of the regulator consists of an error amplifier, a voltage reference, and an output stage, with several other auxiliary circuits. The output voltage is regulated by controlling the difference between the output voltage and the voltage reference by the error amplifier. The output stage is designed to provide the proper output voltage.The error amplifier compares the feedback voltage to the voltage reference. Once the two voltages are equal, the output voltage drops, resulting in a regulated output voltage from the regulator. The output stage regulates the output voltage by controlling the current through the power pass device.The LD2985AM33R is designed to provide a stable, noise-free and efficient voltage regulator for a variety of applications. The high transient response of the regulator ensures that it will provide a smooth and steady output voltage with minimal disturbance. The device is also designed to provide a wide range of output currents, making it suitable for a variety of applications. Additionally, the low power consumption of the LD2985AM33R makes it an ideal choice for a wide range of energy-limited applications, such as smart phone, tablets, and wearable devices.

The LD2985AM33R has proven to be a reliable linear voltage regulator with a wide range of applications. Its low power consumption, adjustable output voltage, low dropout voltage, fast transient response, and excellent line and load regulation ensure that it will provide a regulated output voltage for any application.

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