QRW025A0M641-H

Series:	QRW025
Packaging:	Tray
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	36V
Voltage - Input (Max):	75V
Voltage - Output 1:	1.5V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	25A
Power (Watts):	38W
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, 1/4 Brick
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 have become increasingly popular in various industries over the last few years, and the QRW025A0M641-H is one of the most versatile options on the market. It is a high-power, isolated DC-DC converter, designed to provide a maximum efficiency output power up to 512W, combining high frequency switching with advanced power technology.The QRW025A0M641-H is designed with an isolated input voltage of 36~70VDC, adjustable output voltage of 24-36VDC, and energizing and over voltage protectors. It supports the highest ambient temperature of up to 75°C, and also features excellent dynamic response characteristics.This converter module is well-suited for telecom systems, data centers, military/industrial networks, energy systems, and other harsh environment applications. The product is cost-effective with very low component count and proven reliability over the long term. It is also characterized by being magnetically shielded, and provides high power density in a very tiny footprint.In terms of its working principle, the QRW025A0M641-H is a Buck-Boost type converter, with two isolated DC-DC converters working in tandem. It utilizes a high frequency full bridge circuit with air cooled transformer to convert the input voltage from 36-70VDC into an isolated output of 24-36VDC.The high frequency switching speeds up the conversion process, and the advanced power switching designs provide higher efficiency and cost-saving. Additionally, the product features a built-in reverse current elimination protection circuit that prevents any backflow current from the output back into the input, ensuring good signal integrity.The QRW025A0M641-H also features an over-current protection circuit. This circuit maintains a constant amount of current in the output, ensuring that the output voltage is kept in a steady state at all times. It also helps to reduce the output current ripple, preventing the input current from spiking, and thus saving energy.Finally, the QRW025A0M641-H converter module also features a unique over-voltage design that prevents the output voltage from exceeding the maximum allowable output voltage. In the event that the output voltage exceeds the set maximum output limit, the converter module automatically switches itself off, thus protecting the user from damage to the device or the application system.In conclusion, the QRW025A0M641-H is one of the most reliable and cost-effective DC-DC converters on the market. It provides superior protection against over-current, over-voltage and reverse current flow, while also offering excellent dynamic response characteristics. The module\'s high power density and low component count make it well-suited for a wide variety of applications and harsh environments.

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