LDS3985PM33R

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The LDS3985PM33R is a linear voltage regulator that is used for AC/DC converters and other AC-input applications. The device has a wide range of input voltage from 2.3V to 63V.

Features

• Wide Operating Input Voltage Range from 2.3V to 63V
• External Shutdown Control at (EN)
• Voltage Monitor Output
• Output Current at 3A
• Adjustable Output Voltage
• High Efficiency
• Small Package Outline
• Auto-Reset Function

Applications

• AC/DC Converters
• Distribution Supplies
• Consumer Electronics
• Power Supplies
• Telecom Systems

Working Principle

The LDS3985PM33R is a voltage regulator that uses a three-terminal monolithic integrated circuit (IC) for regulating the output voltage. The device has an internal power switching regulator that uses an internal control loop to maintain a constant output voltage. The IC includes an input voltage range of 2.3V to 63V and an output voltage that can be set from 2.3V to 43V.

The LDS3985PM33R implements an AC power supply in which a rectified voltage is coupled to a capacitor and the voltage on the capacitor is regulated. The LDS3985PM33R uses an internal power switch and regulator to reduce the ripple in the output voltage and regulate it to the desired value. The LDS3985PM33R has an internal auto-reset feature that monitors the output voltage, and if the output voltage drops below the lower threshold the device will automatically reset.

The LDS3985PM33R also has an external shutdown control (EN) pin which allows the user to control the device\'s operation. When EN is low the device is in shutdown mode and the output voltage is disabled, when EN is high the device is enabled and the output voltage is regulated.

The LDS3985PM33R also has a voltage monitor output which provides an indication of the output voltage, this can be used as a feedback signal for the internal control loop and can also be used to monitor the output voltage.

Summary

The LDS3985PM33R is a linear voltage regulator with a wide range of input voltage from 2.3V to 63V, an adjustable output voltage and a current rating of 3A. It is used for AC/DC converters and other AC-input applications. The device has a built-in power switch, regulator, auto-reset and external shutdown control. It also has a voltage monitor output that provides an indication of the output voltage.

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