DBS400B28 Power Supplies - Board Mount

Current - Output (Max):	14.5A
Supplier Device Package:	--
Size / Dimension:	4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
Package / Case:	21-DIP Module
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-20°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Power (Watts):	406W
Series:	DBS
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	28V
Voltage - Input (Max):	400V
Voltage - Input (Min):	200V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DC–DC converters are devices which convert a source of direct current (DC) from one voltage level to another. They have a wide variety of applications in automotive, aerospace, medical, and communications industries. The DBS400B28 series is a high-efficiency, low-noise DC–DC converter designed and produced by Sager Electronics. It offers a wide range of adjustable output voltages between 0 and 28 volts, and is suitable for a variety of applications. In this article, we will discuss the DBS400B28’s application fields and working principle.

Applications

The DBS400B28 series is a DC-DC converter suitable for a variety of applications. In the aerospace industry, the DBS400B28 can be used to convert 28V power from an aircraft to 12V power for powering avionics. In the automotive industry, the DBS400B28 can be used to convert battery voltage up to 36V to a level suitable for powering on-board electronics and other accessories. In the medical industry, the DBS400B28 can be used to power medical equipment with low-voltage, high-efficiency power.

Working Principle

The DBS400B28 series utilizes a switching regulator design to achieve adjustable voltage output. In switching regulator designs, a power switch and a control circuit are used to control the flow of energy from the input to the output. The power switch is generally implemented as a metal-oxide-semiconductor field-effect transistor (MOSFET). The control circuit monitors the output voltage and adjusts the power switch duty cycle as necessary to maintain the output voltage.By controlling the energy flow, the DBS400B28 can achieve high efficiency and low noise. The efficiency of a switching regulator increases with an increase in switching frequency and a decrease in switching losses. The high frequency switching of the DBS400B28 results in higher efficiency and lower noise.

Conclusion

The DBS400B28 series from Sager Electronics is a high-efficiency, low-noise DC–DC converter suitable for a variety of application fields. Its adjustable output voltage and high efficiency make it an ideal choice for aerospace, automotive, medical, and communications industries.

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