TLV70528PYFPT

Current - Output:	200mA
Supplier Device Package:	4-DSBGA (0.78x0.78)
Package / Case:	4-XFBGA, 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:	80dB ~ 55dB (10kHz ~ 1MHz)
Current - Supply (Max):	315µA
Current - Quiescent (Iq):	55µA
Series:	--
Voltage Dropout (Max):	0.25V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
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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TLV70528PYFPT Application Field and Working Principle
Context:
TLV70528PYFPT is a Texas Instruments low-dropout linear voltage regulator, which is suitable for a wide range of applications. Designed with a low quiescent current, this regulator works with an input range of 2.5V to 5.5V and provides an output voltage from 1.2V to 5V. It is also equipped with several operations modes and two shutdown modes, making it an ideal choice for portable and high-efficiency applications.

Introduction to TLV70528PYFPT:
The TLV70528PYFPT is a low-dropout (LDO) linear regulator with an input range of 2.5V to 5.5V and an output voltage of 1.2V to 5V. It features an efficiency of up to 95% and a quiescent current of 5uA. By using a logic low enable control, the regulator is capable of two shutdown modes, shut-off and keep-on, as well as a push-pull power on/off mode with a P-channel MOSFET. It also has a low current of 10uA at shutdown and a Wake-up function. The TLV70528PYFPT has a thermal shutdown and overcurrent protection, making it ideal for low power, high efficiency applications.

Working Principle:
The TLV70528PYFPT by Texas Instruments is a low-dropout (LDO) linear voltage regulator. It operates on the principle of a control loop, which tries to maintain a constant output voltage by varying the input voltage. To do this, it compares a reference voltage to an error amplifier output, and modulates the feedback voltage in order to maintain the desired voltage. With this feedback design, it is able to compensate for output voltage drops due to current loading and temperature variations.When the input voltage is higher than the output voltage, the error amplifier reduces the feedback voltage, which in turn increases the input voltage required to maintain the desired output voltage. In order to reduce power consumption, the TLV70528PYFPT is designed with an internal hysteretic current limiter that prevents it from sinking more current than necessary.

Applications:
The TLV70528PYFPT is designed for a wide range of low power, high efficiency applications. Its wide input voltage range and low quiescent current makes it ideally suited for portable and battery powered devices, such as cell phones and PDAs. It is also suited for various types of power supply applications, including switching regulators, linear holdup circuits and voltage sources.

Conclusion
The TLV70528PYFPT is a low-dropout linear voltage regulator that is suitable for a wide range of low power, high efficiency applications. It features an efficiency of up to 95%, a quiescent current of 5uA and a low current of 10uA at shutdown. It is also equipped with two shutdown modes, as well as a logic low enable control, making it an ideal choice for a variety of portable and power supply applications.

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