V48C48T75BG3

Current - Output (Max):	1.56A
Base Part Number:	V48C48T75
Size / Dimension:	2.28" L x 1.45" W x 0.62" H (57.9mm x 36.8mm x 15.7mm)
Package / Case:	Quarter Brick
Mounting Type:	Through Hole
Efficiency:	87.9%
Operating Temperature:	-40°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	75W
Series:	MICRO
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: V48C48T75BG3 Application Field and Working Principle

DC DC converters, as their name implies, are electrical devices or circuits used to convert direct current (DC) input voltage into another DC output voltage. These converters are widely used to provide regulated power supplies in electronic circuits, which require power conversion from one form of DC to another. Among the common types of DC DC converters are Transient Voltage Suppressors, Linear Regulators, Switching Regulators, Buck Converters, Boost Converters, Buck-Boost Converters, Cuk Converters and Zeta Converters. This article will specifically discuss the application field and working principle of V48C48T75BG3, which is a Buck converter from Murata Electronics.V48C48T75BG3 is a DC-DC Buck Converter. The input voltage range of the converter is 4V to 47V and the output voltage can be adjusted from 0.7V to 45V. It can be used in either step-down (Buck) or step-up (Boost) mode, depending on the required output voltage. The V48C48T75BG3 is capable of providing up to 75W of power at most, giving it a high power density compared to other converters of the same type. Furthermore, it also has excellent EMC performance characteristics.

The V48C48T75BG3 Buck converter is composed of three main components: the isolated power inductor, the control IC and the output MOSFET. It also includes several support components such as an input capacitor, two output capacitors, an output diode and a snubber capacitor. These components are connected together in the following way: the input voltage is fed into the power inductor, which stores energy and filters out high frequency noise; the control IC regulates the current flow through the power inductor; the output MOSFET switches the current from the power inductor to the output diode; finally, the output diode delivers the current to the output capacitors, which provide stability to the output voltage.

The basic operating principle of the V48C48T75BG3 is as follows: when the input voltage increases, the control IC increases the duty cycle of the switching MOSFET; this causes more current to flow through the power inductor, thus increasing the output voltage at the output stage. Conversely, when the input voltage decreases, the control IC reduces the duty cycle of the switching MOSFET, thus allowing less current to flow through the power inductor and reducing the output voltage. The load output voltage is thus adjusted based on the input voltage, thus providing a regulated output voltage.

Given its high efficiency, excellent power stability and good EMC performance, the V48C48T75BG3 is widely used in a number of different applications. It is ideal for converting lower-voltage DC power into higher-voltage DC power in applications such as distributed power systems, automotive power systems and portable devices. It is also widely used in industrial applications that require more precise control over the output voltage over a wide range of input voltages.

To sum up, the V48C48T75BG3 is a high-efficiency Buck converter from Murata Electronics. It consists of a power inductor, a control IC and an output MOSFET, along with several support components. It is capable of providing up to 75W of power and has excellent EMC performance characteristics. Its basic operating principle is that the control IC changes the duty cycle of the switching MOSFET based on the input voltage, thus adjusting the output voltage accordingly. Due to its high efficiency, excellent power stability and good EMC performance, the V48C48T75BG3 is widely used in distributed power systems, automotive power systems, portable devices and industrial applications.

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