TPS727105YFFT

Current - Output:	250mA
Supplier Device Package:	4-DSBGA
Package / Case:	4-UFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	85dB ~ 45dB (10Hz ~ 1MHz)
Current - Supply (Max):	130µA
Current - Quiescent (Iq):	110µA
Series:	--
Voltage Dropout (Max):	0.2V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.05V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS727105YFFT Application Field and Working Principle

Introduction

The TPS727105YFFT is a linear voltage regulator designed and manufactured by Texas Instruments. It belongs to the power management integrated circuit (PMIC) line of voltage regulators, more specifically in the category of linear voltage regulators. This device is designed to be both highly efficient and ultra-low noise and is typically used for a wide array of mobile, industrial and consumer applications.

Application Fields

The TPS727105YFFT is most commonly found in mobile applications. This voltage regulator has been designed for use in space-constrained environments and is capable of providing a wide input voltage range up to 10V, which makes it a good choice for portable consumer electronics and automotive applications that require long battery life. The high-accuracy, ultra low noise capabilities of the TPS727105YFFT also make it suitable for a wide range of consumer and industrial applications, including handheld video game consoles, truck tracking systems, sound systems, smart home devices, as well as automotive power systems. It is also suitable for medical applications due to its ultra low noise capabilities; it is used in medical imaging and ultrasound systems, as well as laboratory power supplies.

Working Principle

The TPS727105YFFT works on the principle of linear regulation. In linear regulation, the regulator maintains a constant output voltage by limiting the current that flows through it, regardless of the input voltage. The TPS727105YFFT consists of an operational amplifier, a voltage reference, an error amplifier and a power transistor. When the input voltage is higher than the desired output voltage, the error amplifier receives a positive signal from the operational amplifier, which causes the power transistor to turn off, thereby limiting the current flow. When the input voltage drops below the desired output voltage, the error amplifier provides a negative signal to the power transistor, which causes the transistor to turn on, allowing the needed current to flow across it, thus keeping the output voltage constant.

Conclusion

The TPS727105YFFT is a linear voltage regulator designed by Texas Instruments and belongs to the PMIC line of voltage regulators. It is primarily used in space-constrained mobile applications that require power and is also suitable for a wide range of consumer and industrial applications, as well as medical imaging and ultrasound systems. It works on the principle of linear regulation and consists of an operational amplifier, a voltage reference, an error amplifier and a power transistor. The TPS727105YFFT is a reliable and efficient choice for power regulation.

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