QRW040A0Y641

Series:	QRW040
Packaging:	Tray
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	36V
Voltage - Input (Max):	75V
Voltage - Output 1:	1.8V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	40A
Power (Watts):	72W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OTP, OVP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	87%
Mounting Type:	Through Hole
Package / Case:	10-DIP Module
Size / Dimension:	2.29" L x 1.46" W x 0.37" H (58.2mm x 37.1mm x 9.4mm)
Control Features:	Enable, Active Low

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DC DC Converters: QRW040A0Y641 Application Field and Working PrincipleThe QRW040A0Y641 is a DC-DC converter from TDK-Lambda, specifically designed for medical and industrial applications requiring power isolation and high efficiency. It provides a fixed output voltage of 5V with a wide input voltage range from 9 to 30VDC and is a highly reliable power solution for applications such as medical equipment, communications systems and semiconductor test systems. This article will discuss the QRW040A0Y641’s application field and working principle.To start, the QRW040A0Y641 uses a topology of synchronous rectification and digital power conversion. It provides a fully certified solution that meets the highest safety standards, such as EN/IEC60950-1, for hazardous medical applications. The converter also features high efficiency and low heat dissipation due to its synchronous rectification and gallium nitride (GaN) FETs. The QRW040A0Y641 also has a built-in active EMI filter, making it suitable for use in industrial and residential environments.The QRW040A0Y641 is designed to deliver up to 40W output power and supports both AC and DC line inputs. It has a wide range of input voltage, from 9 to 30VDC, and a wide temperature range from -40 to +85°C. It is also available in six different versions and can operate with a variety of different switching frequencies.When it comes to applications, the QRW040A0Y641 is suitable for a variety of medical, industrial, and commercial applications. Its suitability for medical applications lies in its safety certification, high efficiency, low temperature rise, and its isolation feature. The QRW040A0Y641 is ideal for non-hazardous medical equipment that need to maintain power isolation requirements. It can also be used in industrial settings for control systems, R&D systems, and other power-sensitive systems. Its high efficiency makes it a great choice for mobile applications as well.Now let’s look at the working principle of the QRW040A0Y641. The DC-DC converter works by taking an input voltage and converting it into a regulated, predetermined output voltage. It start by the regulated voltage to pass through a transformer, which steps up or down the voltage depending on the particular model used. After this, the voltage is then processed by the DC-DC converter going through several stages of conversion. The output is then regulated and buffered until it is ready for distribution.In conclusion, the QRW040A0Y641 DC-DC converter is a reliable and efficient power solution that is suitable for a variety of medical, industrial, and commercial applications. Its features provide a high degree of safety and efficiency, while its wide range of inputs and outputs make it a great choice for many types of applications.

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