SNDHS250B28

Voltage - Output 4:	--
Approvals:	CE, cURus
Size / Dimension:	5.00" L x 2.42" W x 1.75" H (127.0mm x 61.5mm x 44.5mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-20°C ~ 95°C (With Derating)
Efficiency:	86%
Applications:	ITE (Commercial)
Power (Watts):	252W
Current - Output (Max):	9A
Series:	SNDHS
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	28V
Number of Outputs:	1
Voltage - Input (Max):	400V
Voltage - Input (Min):	200V
Type:	Open Frame
Part Status:	Active

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Introduction

DC DC converters are one of the most important components for the power conversion industry, playing an important role in converting the direct current from the source to the required voltage and current in a power application. The SNDHS250B28 is a type of DC DC converter, which is often used in a variety of scenarios. This article will explore the application fields and working principle of the SNDHS250B28.

Application Fields

The SNDHS250B28 converter module can be used in numerous fields such as medical, military, automotive, high power lighting, communication, audio, home appliances, and electronic products. In the medical industry, the SNDHS250B28 can be used for powering medical equipment, such as ECG, EEG, and X-Ray machines, due to its superior stability and high-efficiency output. In the automotive industry, it can be used for powering electric vehicles, charging electric vehicles, controlling electric power, and LED lighting. In the lighting industry, it can be used for powering high-definition and efficient lighting systems. In the communications industry, it can be used for providing stable power supply and control functions for communication systems. In the home appliance industry, it can be used for powering various home appliance devices, such as refrigerators, washing machines, air conditioners, and other home security devices.

Working Principle

The SNDHS250B28 converter module uses a two-stage circuit design to convert the direct current from the power source to the required voltage and current. The first stage of the circuit is a DC to DC boost converter, which uses high-frequency switching to convert the DC input voltage to a higher output voltage. The second stage of the circuit is a synchronous rectification buck regulator, which uses a pair of MOSFETs and a diode bridge rectifier to convert the boosted voltage to the required output.The SNDHS250B28 also adopts a number of control methods such as Voltage Mode Control, Constant Frequency Control, and Current Mode Control, to ensure that the output voltage and current are stable and reliable. In addition, it also utilizes protection circuits to prevent against over-voltage, over-current, short-circuit, and over-temperature conditions.

Conclusion

In conclusion, the SNDHS250B28 converter module is a versatile device that can be used in numerous fields such as medical, military, automotive, high power lighting, communication, audio, home appliances, and electronic products. It uses a two-stage circuit design to convert the direct current from the power source to the required voltage and current, and utilizes various control methods and protection circuits to ensure the output is stable.

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