RT9081A-18GQZA(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):	--
Voltage - Output (Min/Fixed):	1.8V
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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Introduction

RT9081A-18GQZA(2) is a semi-linear voltage regulator recently developed by the leading power supply provider, Realtek Semiconductor Corporation. It is a boost regulator that is used to convert an input voltage to a precise and stable voltage for a range of applications. This particular regulator is rated for a current of up to 18A and is suitable for use in a variety of applications, from automotive and 3D printers to industrial control systems. This article will look at the application fields and working principles of the RT9081A-18GQZA(2) voltage regulator.

Application Fields

The RT9081A-18GQZA(2) is a versatile voltage regulator that can be used in a range of applications. It is designed for use in automotive and IoT systems, as well as 3D printers, medical equipment, consumer electronic devices, industrial control systems and more. The regulator is capable of delivering highly precise and stable output voltage, making it ideal for these applications.

Working Principle

The RT9081A-18GQZA(2) is a linear voltage regulator. It works by using two transistors, a MOSFET and a BJT, to convert an input voltage to a steady output voltage. The MOSFET acts as a constant current source, while the BJT regulates the output voltage. The regulator is equipped with a wide input voltage range, which allows it to operate efficiently in a variety of input voltages. The output voltage range is also wide, making the regulator suitable for a range of applications.

Protection Features

The RT9081A-18GQZA(2) is equipped with a number of protection features to ensure that the device is safe and reliable. It has over-voltage protection (OVP) and over-current protection (OCP) to prevent the regulator from being damaged by excessive voltage or current. It also has thermal protection to prevent overheating, as well as short-circuit protection and under-voltage protection.

Conclusion

The RT9081A-18GQZA(2) is a linear voltage regulator that is designed for use in a range of applications. It is rated for up to 18A and has wide input and output voltage ranges, making it an ideal choice for automotive and IoT systems, 3D printers, medical equipment, and more. The regulator is also equipped with a number of protection features to ensure safe and reliable operation.

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