V300B48C150BS

Current - Output (Max):	3.13A
Size / Dimension:	2.28" L x 2.20" W x 0.50" H (57.9mm x 55.9mm x 12.7mm)
Package / Case:	9-DIP Module
Mounting Type:	Through Hole
Efficiency:	87.3%
Operating Temperature:	-20°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	150W
Series:	MINI
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input (Max):	375V
Voltage - Input (Min):	180V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: V300B48C150BS Application Field and Working Principle

The V300B48C150BS is a DC DC Converter specifically designed for high efficiency applications in portable electronics. It was introduced in 2007 by Vicor Corporation and is now widely used in many different kinds of electronic devices. This article aims to explain the application field and the working principle of this specific DC DC Converter.

Application Field

The V300B48C150BS is mainly used in portable electronics like digital cameras, laptops, smartphones, tablets and other devices that need high efficiency DC DC power conversion. This converter is completely isolated when used, allowing it to efficiently manage high power applications in high ambient temperature conditions—up to 105° Celsius. This converter also comes with built-in features for ‘hot swap’, over-temperature protection, thermal shutdown, undervoltage lockout, short circuit protection, output voltage rise time control and overtemperature protection, all supported by a wide voltage range of up to 48V.

Working Principle

The V300B48C150BS is a bi-directional, flyback DC DC converter. It works on the principle of storing energy in an inductor coil when it is switched on and releasing it when it is switched off. This energy is then converted into a regulated output voltage. When the DC source power is available, the control circuitry switches on the switches and the energy is stored in the inductor. The voltage across the inductor is monitored by the control circuitry. When the power is turned off the switches are opened and the energy stored in the inductor is transferred to the output terminals with the help of the diodes. In this way a regulated output voltage is obtained.

Conclusion

The V300B48C150BS is a bi-directional DC DC converter designed for high efficiency applications like portable electronics. It is mainly used in digital cameras, laptops, smartphones, tablets and other such devices. Its working principle is based on the flyback principle, where the energy stored in the inductor is released and converted into a regulated output voltage. With its built-in features and wide voltage range, it is an ideal solution for high power conversion requirements.

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