RT9081AGQZA(2)

Voltage Dropout (Max):	0.25V @ 500mA
Supplier Device Package:	6-ZADFN (1.2x1.2)
Package / Case:	6-XFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Current Limit, Thermal Shutdown, UVLO
Control Features:	Enable
PSRR:	80dB (1kHz)
Current - Quiescent (Iq):	110µA
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	3.6V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

RT9081AGQZA(2) is a linear voltage regulator which belongs to PMIC (Power Management IC) family. It is designed with a wide voltage range to meet different requirements. It is capable of delivering up to 2A current, providing a reliable power source for system power sequencing, regulation, and other related applications.

Application Field

RT9081AGQZA(2) is suitable for a wide range of applications, from consumer electronics to datacom applications. It can be used in voltage regulation, power sequencing, system control, and other related applications.Furthermore, it can be used in a charging systems, low dropout applications, and in low noise operations. In addition, its low reverse transfer characteristics make them even more suitable for applications such as battery charging systems, LED drivers, LED backlight, DC-DC converters, switching regulators, and many more.

Working Principle

The RT9081AGQZA(2) is a linear voltage regulator which provides low dropout voltage and good power efficiency. It is designed using a shunt-regulated topology, with an adjustable feedback loop to control the output voltage.The voltage regulator consists of an adjustable high-side transistor connected in series with a fixed resistance, forming a voltage divider network. When the output voltage rises, the higher side of the divided network sees more current and the lower side sees less current. This imbalance causes the transistor to conduct more current than required and it reaches a desired voltage. Thus, the output voltage is regulated and maintained.

Conclusion

The RT9081AGQZA(2) is an ideal voltage regulator for applications such as data communication, consumer electronics, led drivers, and low-dropout applications. Its adjustable feedback loop ensures steady output voltages with minimal distortion, making it an ideal choice for voltage regulation. Its low dropout voltage and good power efficiency makes it an attractive option for applications that require long-term, reliable performance.

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