TPS79901DRVR

Current - Output:	200mA
Base Part Number:	TPS79901
Supplier Device Package:	6-SON (2x2)
Package / Case:	6-WDFN 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:	70dB ~ 38dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	60µA
Series:	--
Voltage Dropout (Max):	0.18V @ 200mA
Voltage - Output (Max):	6.5V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The TPS79901DRVR is a low-dropout regulator (LDO) with a wide range of voltage characteristics and an overload protection design. It is especially suitable for applications with limited power supply conditions. With its unique circuit design, it can reduce the dropout voltage and improve efficiency.The TPS79901DRVR has a voltage range from 1.1 V to 4.6 V, rated output current up to 5 A and overall power dissipation up to 7 W. In addition, it has highly precise output regulation and low minimum operating current, making it suitable for power supplies in wide range of applications. The TPS79901DRVR features a 14-pin PowerSSO™-14 package and an integrated MOSFET for easy implementation of the load switch. It also has short circuit protection and thermal shutdown protection to ensure operational safety. The TPS79901DRVR is ideal for applications such as consumer electronic, IoT devices, computers and digital cameras, where demand for an ultra-low dropout regulator is high due to the limited power supply conditions. Working PrincipleThe TPS79901DRVR is an low drop-out voltage regulator that provides a regulated output voltage. It is an integrated solution for both a power supply and load switch, allowing for easy integration and reliable performance.The TPS79901DRVR operates by leveraging an input voltage divider and an error amplifier with a high open-loop gain. The output voltage is regulated by the error amplifier, which compares the divided input voltage to a known reference voltage. When the two voltages are not equal, the error amplifier adjusts the MOSFET gate voltage and sets the output voltage. This process continues as long as the conditions of the power supply do not exceed its limits. In addition, the TPS79901DRVR has maximum power protection, which prevents the MOSFET from being over driven and the circuit from over heating. This protection is enabled when the energy from the input voltage supply is high enough to cause significant power dissipation and is disabled when it is not. The TPS79901DRVR also includes short circuit protection, which prevents the load from consuming too much power and current. The short circuit protection is enabled when the current flowing through the MOSFET is high enough to cause short circuit, and it is disabled when it is not.ConclusionThe TPS79901DRVR is a low dropout voltage regulator with a wide range of voltage characteristics and an overload protection design, making it ideal for power supplies in limited power supply conditions. It has a voltage range from 1.1 V to 4.6 V, rated output current up to 5 A and overall power dissipation up to 7 W. The TPS79901DRVR also features an integrated MOSFET, short circuit protection and thermal shutdown protection, ensuring operational safety. It is the ideal solution for consumer electronic, IoT devices, computers and digital cameras. Overall, the TPS79901DRVR is a high-performance, reliable and cost-effective solution for powering a variety of consumer electronics and other applications.

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