TPS71825-12DRVT

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TPS71825-12DRVT Application Field and Working Principle

The TPS71825-12DRVT, or Linear Voltage Regulator, is an integrated circuit device that is designed to adjust the output voltage of a power supply to a specific level. It is commonly used in power supplies, particularly those operating from AC power sources like 120- and 240-volt AC household electricity supplies. This type of voltage regulator is designed to regulate the output voltage of unknown value, to a particular level, typically 5 volts DC (Vdc), 12 volts DC (Vdc) or 24 volts DC (Vdc) and is categorized in the field of Power Management (PMICs).

General Operation Principle

A Linear Voltage Regulator is designed to maintain a constant output voltage despite changes in the output current. Consequently, a load placed in parallel with the regulator will draw a current that is proportional to the load current. By using simple control techniques and a circuit arrangement, the regulator functions as an electronic switch that controls the current flow to a load and maintains the output voltage at a certain level.

This is accomplished by using a nonlinear control database of components that can be adjusted by a single or multiple resistors, transistors, and/or logic integrated circuits. The database performs a mathematical operation on the power supply’s input voltage, and adjusts the output voltage accordingly in order to regulate the maximum voltage available to the load. This adjustment is then controlled by a feedback circuit which measures the output voltage and adjusts the control database accordingly.

Features of TPS71825-12DRVT

The TPS71825-12DRVT Linear Voltage Regulator is equipped with the following features:

• Ultra Low Standby Current
• Integrated Shutdown Mode
• Detects Line Oscillation Conditions
• Integrated Fault Status Detection
• Additional Load Current Doubling Feature
• Realitively-Low Drop-Out Voltage Across All VOUT Settings

The integrated shutdown mode and load current doubling feature allow for energy-conscious designs and the relative low drop-out voltage across all VOUT settings make it an optimal choice for applications where an output voltage of 5, 12, or 24V is needed. The device also has adjustable current-limit and thermal shutdown circuit protection, as well as built-in over-voltage and under-voltage detectors.

Conclusion

In conclusion, the TPS71825-12DRVT Linear Voltage Regulator is a great choice for applications requiring a voltage output of 5, 12, or 24V. It is equipped with features that allow for careful energy-consumption design, and offers reliable protection against voltage irregularities and faults. The database performs a mathematical operation on the power supply’s input voltage and the feedback circuit measures the output voltage to maintain a constant output voltage.

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