DBS400B15

Current - Output (Max):	27A
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:	87%
Operating Temperature:	-20°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Power (Watts):	405W
Series:	DBS
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	15V
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 electronic circuits which convert direct current (DC) voltage from one level to another. The process of converting a DC voltage from one value to another is known as DC-DC conversion or DC to DC conversion, and DC converter designs are used to perform this task tremendously reliably and efficiently.One of the most widely used families of DC-DC converters is the DBS400B15 family. These converters are available in four different sizes, and each size is available with either a differential remote sense or a single-ended remote sense feature. They typically have an ultra-low input voltage range between 2.5V and 15V, and an output voltage range from 0.6V to 13.5V. The DBS400B15 provides high efficiency and transient performance, and it features a two-stage conversion scheme with a PWM buck topology and a two-phase interleaving system. The design also includes a synchronous rectifier with synchronous switching to reduce power loss and reduce temperature. It offers a widest input voltage range, fast transient response, high power density, and a robust design with tight tolerance and excellent reliability.The DBS400B15 uses a control feedback loop to ensure stability and precise output voltage regulation. This loop is composed of a sensing and control circuit, a voltage regulator, a Driver circuit, and a DC-DC power converter. Sensing and control circuit senses the output voltage and regulates the duty cycle of the PWM signal. The duty cycle is then directed to the Driver circuit, which is then connected to the power converter. The power converter then adjusts the output voltage accordingly.The DBS400B15 is mainly used in applications such as telecommunications, aerospace/military, industrial, automotive, medical, computer and storage applications. It is designed to operate on a wide variety of battery chemistries and provide maximum efficiency under all conditions. It also features soft start, overvoltage protection, short circuit protection, and thermal shutdown to protect itself and the end product.In summary, the DBS400B15 is an advanced family of DC-DC converters, which offers superior performance and efficiency under various conditions. With a wide input voltage range and fast transient response, the DBS400B15 is an excellent choice for applications in telecommunications, aerospace, industrial, automotive, medical, computer and storage applications. It features synchronous rectification and high efficiency, as well as a robust design with excellent tolerance and reliability. Its control feedback loop provides fast and precise output voltage regulation, making it an ideal choice for demanding applications.

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