TPS73525DRBRG4

Current - Output:	500mA
Base Part Number:	TPS73525
Supplier Device Package:	8-SON (3x3)
Package / Case:	8-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	66dB ~ 22dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	65µA
Series:	--
Voltage Dropout (Max):	0.5V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Classified as PMIC - Voltage Regulators - LinearThe Texas Instruments TPS73525DRBRG4 is a low-dropout (LDO) linear voltage regulator designed to achieve accurate output voltage regulation with a wide operational range of input voltages and minimal additional components. Furthermore, it has superior output current capabilities and high power dissipation. These features make the TPS73525DRBRG4 the ideal choice for a variety of applications such as low-voltage systems, portable equipment, and systems where power consumption is a concern. This article will discuss the application field and working principle of the TPS73525DRBRG4 linear regulator.

Application Fields

The TPS73525DRBRG4 can be used in a variety of different applications, as its performance characteristics are well-suited for many different applications. Its low-voltage capabilities make it ideal for use in low-voltage systems, such as those found in automotive, industrial, and instrumentation applications. The TPS73525DRBRG4 can also be used to supply power to digital circuitry, such as microprocessors, memory circuits, and ASICs, due to its low output voltage ripple. Additionally, because of its high power dissipation rating, it can be used to power high-current loads with minimal additional components.The TPS73525DRBRG4 can also be used in portable electronics and other battery-powered applications, as its current draw is low enough to be compatible with battery operation. It can also be used in systems that require high-current operation and low output voltage, such as voltage converters or power amplifiers, as the TPS73525DRBRG4 is capable of supplying up to 1.5A of output current with a low, adjustable output voltage of 1.25V to 7.5V.

Working Principle

The TPS73525DRBRG4 is a low-dropout (LDO) linear voltage regulator, meaning it regulates its output voltage through the use of linear rather than switching operations. The TPS73525DRBRG4 is capable of supplying a wide range of output voltages, from 1.25V to 7.5V.When power is applied to the TPS73525DRBRG4, the input voltage is regulated through the use of a series of pass transistors and resistors. A differential amplifier is utilized to compare the input voltage with the voltage divider which is formed by the pass transistors and resistors, which when combined with the feedback loop, regulates the output voltage. To ensure adequate current flow, the input voltage must be greater than the output voltage by a few volts, known as the dropout voltage. The TPS73525DRBRG4 typically has a dropout voltage of approximately 170mV, meaning that if the input voltage is 5V, the output voltage will be 4.83V.The TPS73525DRBRG4 is also protected against overcurrent and overtemperature conditions. It features an overcurrent protection circuit which disconnects the output pin when the current exceeds a certain level and an overtemperature protection which shuts down the device when the temperature exceeds a certain level.

Conclusion

The Texas Instruments TPS73525DRBRG4 is a low-dropout (LDO) linear voltage regulator designed to achieve accurate output voltage regulation with a wide operational range of input voltages and minimal additional components. Its features make it the ideal choice for a variety of applications such as low-voltage systems, portable equipment, and systems where power consumption is a concern. It works by regulating the input voltage through the use of a series of pass transistors and resistors and utilizes an overcurrent and overtemperature protection circuit for safety. In conclusion, the TPS73525DRBRG4 is an excellent choice for powering a variety of low-voltage systems and applications where power consumption is a concern.

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