VHB200W-Q48-S3R3

Current - Output (Max):	40A
Supplier Device Package:	Half Brick
Size / Dimension:	2.40" L x 2.28" W x 0.52" H (61.0mm x 57.9mm x 13.2mm)
Package / Case:	Half Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	132W
Series:	VHB200W
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DC DC converters are electrical components used to convert direct current (DC) from one voltage level to another. The VHB200W-Q48-S3R3 is a DC DC converter made by Vicor Corporation. It offers a power output of up to 200 Watts and is a 48V to 3.3V converter. This converter can be used in a wide variety of applications such as: high current converters for industrial power supplies, data center power supplies, LED lighting, DC automotive and hybrid systems, battery-powered systems, and aerospace applications.

Application Field

The VHB200W-Q48-S3R3 converter is primarily designed for use in industrial power supplies, data center power supplies, and LED lighting applications. It is ideal for applications that require high current conversion from a 48V input. It can handle up to 200 Watts of power and has a typical efficiency of 95%. This makes it well suited for high load, high efficiency applications. Additionally, the VHB200W-Q48-S3R3 can also be used in DC automotive and hybrid systems, battery-powered systems, and aerospace applications where a high current conversion from a 48V input is required.

Working Principle

The VHB200W-Q48-S3R3 converter works by taking in a 48V input and converting it to a 3.3V output at up to 200W. It does this through a two-step process, first step is to regulate the input voltage and the second step is to reduce the voltage. This is accomplished using a switching power supply design. First, the 48V input is regulated to create a constant DC voltage. This regulated voltage is then used to control an integrated switch which periodically turns itself off and on. When the switch is on, current flows through the switch and into the output inductor. The output inductor stores the energy and releases it in a more controlled manner to the output capacitor, which reduces the voltage. This eventually results in the desired output voltage of 3.3V.The VHB200W-Q48-S3R3 converter is designed to operate at temperatures ranging from -40 C to +105 C. It is fully encapsulated in a rugged housing which provides exceptional isolation and ensures that all components can withstand the harshness of the industrial and automotive environments where it is most likely to be used. The VHB200W-Q48-S3R3 also features soft start, over-voltage protection, over-temperature protection, and overload protection to ensure that it has the highest reliability in all operating conditions.DC DC converters like the VHB200W-Q48-S3R3 are increasingly becoming common due to the rise in the number of applications that require high power from a low voltage source. It has become a standard component in various applications, and its flexibility makes it an ideal choice for many applications needing a high current conversion from a 48V input.

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