Current - Output (Max):	3A
Control Features:	Enable, Active High
Size / Dimension:	0.70" L x 0.31" W x 0.65" H (17.8mm x 7.9mm x 16.5mm)
Package / Case:	5-SIP Module
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, SCP, UVLO
Applications:	ITE (Commercial)
Power (Watts):	10W
Series:	VRAH-03A
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tube

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Introduction

DC-DC converters are an essential technology in many modern electrical systems. They provide accurate voltage regulation, protection of sensitive components in power electronics, and significantly improved power factor. A DC-DC converter is an electronic device which converts direct current (DC) from one voltage level to another. Among the different types of DC-DC converters, the VRAH-03A3300 DC-DC converter stands out due to its unique capabilities for providing stability and efficiency, even in challenging conditions. The VRAH-03A3300 is capable of providing 3.3V output from a wide input voltage range of 4.2V to 11.4V. This makes it an ideal choice for automotive, robotics, and digital signal processor (DSP) applications, as well as for powering system fuse box/on-board electrical systems.

Application Field of VRAH-03A3300

The VRAH-03A3300 DC-DC Converter is ideal for use in automotives, robotics, and digital signal processor (DSP) applications. Its wide input voltage range of 4.2V to 14.4V makes it suitable for a variety of applications. The VRAH-03A3300 can be used to power system fuse box/on-board electrical systems. In today’s vehicles, the VRAH-03A3300 is used to convert high-voltage DC from a car battery to the lower voltages required for various on-board systems such as the climate control, lights, audio systems, and so on. It is also used in robotics, for supplying lower voltage levels to various motors and electronic components within the robot.In DSP applications, such as portable audio and video players, the VRAH-03A3300 supplies power to key components and assists in converting the incoming DC power to the right voltage level.

Working Principle of VRAH-03A3300

The VRAH-03A3300 converter uses a switched-mode power conversion technology. This allows the converter to rapidly change the size and shape of the input signal, which allows it to efficiently convert the input direct current (DC) voltage to the required output voltage.The VRAH-03A3300 works by controlling the voltage, current and frequency of an inductor connected to the input. A switch is then used to repeatedly turn the voltage on and off. The shape of the voltage then changes based on the frequency and the load. By controlling each of these elements, the VRAH-03A3300 ensures that the output voltage meets the desired level while keeping within a specific range of efficiency.The ability to deliver a consistent output voltage with low ripple is one of the most important factors when using DC-DC converters. The VRAH-03A3300 uses advanced filtering technology to reduce ripple, making it ideal for applications that require clean and stable power.

Conclusion

The VRAH-03A3300 DC-DC Converter is an advanced DC-DC converter that is ideal for a wide range of applications, from automotive to robotics and DSP. It is capable of providing 3.3V output from a wide input voltage range of 4.2V to 11.4V, and is able to deliver a consistent output voltage with low ripple. Its ability to rapidly change the size and shape of the input voltage makes it an ideal choice for applications that require stability and efficiency, even in challenging conditions.

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