RT9183-25GG

Voltage Dropout (Max):	0.5V @ 1.5A
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	500µA
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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

RT9183-25GG is a linear voltage regulator specifically designed for industrial applications, integrating a wide range of features and a high-efficiency design. It is a high-performance synchronous rectification step-down voltage regulator with a wide input voltage range of 4.5V to 20V. The RT9183-25GG efficiently regulates an output voltage of up to 25V and delivers a maximum output current of 2A, making it the perfect choice for advanced applications.

Application Field and Working Principle

The RT9183-25GG is widely used in industrial applications and is particularly suitable for powering high-accuracy mechatronics and medical devices, such as servo control, optical sensors, and hearing aids. Its wide input voltage range of 5.4V makes it suitable for a variety of applications, including automotive and power industrial automation applications.The RT9183-25GG utilizes the Pulse Frequency Modulation (PFM) control technique to accurately regulate the output voltage. It is a flyback-based controller with internal compensation, which reduces the size of the external components and provides a shorter response time compared to traditional linear regulators. The controller also features a maximum duty cycle of 100%, allowing it to achieve high output voltage accuracy and load transient response.The PFM control also allows the RT9183-25GG to operate in either frequency or voltage mode. Frequency mode operation is where the output voltage is fixed and the switching frequency is adjusted, while voltage mode operation means that the output voltage is adjusted and the switching frequency is fixed. This allows for the optimal power efficiency for a given application.The RT9183-25GG also features over-current and over-temperature protection, as well as a soft-start protection circuit which ensures a smooth start-up and prevents inrush current. In addition, the device features an ENABLE/DISABLE control pin and an integrated FET which can be used to further increase efficiency by reducing quiescent current consumption.

Conclusion

RT9183-25GG is an ideal choice for industrial applications that require high-accuracy and precise voltage regulation. It utilizes the PFM control technique to deliver accurate and precise output voltage regulation, along with protection against over-current and over-temperature. With a wide range of features, the RT9183-25GG is the perfect solution for a variety of applications.

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