RFB300-48S28-R5Y

Current - Output (Max):	11A
Control Features:	Enable, Active Low
Size / Dimension:	2.39" L x 2.27" W x 0.50" H (60.7mm x 57.7mm x 12.7mm)
Package / Case:	9-DIP Module, 1/2 Brick
Mounting Type:	Through Hole
Efficiency:	91%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP
Applications:	ITE (Commercial)
Power (Watts):	300W
Series:	RFB300
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	16.8 ~ 29.4 V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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Introduction

DC-DC converters are used to convert a source of direct current (DC) from one voltage level to another. This type of power conversion is often necessary when designing energy systems, as the power needs of different electronic components may be incompatible with each other. The RFB300-48S28-R5Y is a specific type of DC-DC converter designed to provide high quality, reliable power conversion with a wide range of operating parameters to support a variety of applications.

Design and Features

The RFB300-48S28-R5Y is a type of high-frequency switching converter, specifically designed for use with a 150W (maximum) input. It provides regulated output with very high efficiency and can be optimized for use with different voltages, currents, temperatures and payload requirements.The converter is a step-down DC-DC converter, often referred to as a buck converter, which means that it reduces the input voltage level as output voltage increases. The device features a DC input voltage range of 18V to 36V, and it converts the input voltage down to a maximum of 28V with very high efficiency. It can also provide output currents as high as 60A (maximum). The RFB300-48S28-R5Y has a number of operational features, including an over-temperature protection function, which triggers an output voltage reduction when the temperature becomes too high. It is also equipped with an under-voltage protection feature, which prevents the output voltage from exceeding the minimum voltage threshold. The converter also incorporates a low ripple voltage design, which ensures high-quality output signals and reduced voltage spikes.

Application Field and Working Principle

The RFB300-48S28-R5Y is designed to operate in a wide variety of applications, including mobile and embedded systems, automotive, industrial automation, computers, instrumentation, communications, and more. The converter can be used for various power conversion applications, such as powering digital devices, LED lighting, and other electronic components.The converter operates based on the switched-mode power principle. When it is turned on, the output voltage is set to the indicated level. The converter then switches on and off at very high frequencies, ensuring that the output voltage is maintained at the desired level. This switching process also creates a significant amount of heat, which is dissipated via the converter\'s thermal management system. The frequency of the switching process is determined by the operating parameters of the device, and the output voltage is regulated using a pulse width modulation (PWM) technique.The RFB300-48S28-R5Y is a highly efficient, robust, and reliable converter capable of providing high quality output with various operating parameters. This makes it an excellent choice for many different types of power conversion applications, from embedded systems to automotive applications.

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