QRW035A0G41

Series:	QRW035
Packaging:	Bulk
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	36V
Voltage - Input (Max):	75V
Voltage - Output 1:	2.5V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	35A
Power (Watts):	88W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OTP, OVP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	90%
Mounting Type:	Through Hole
Package / Case:	10-DIP Module
Size / Dimension:	2.28" L x 1.45" W x 0.38" H (57.9mm x 36.8mm x 9.7mm)
Control Features:	Enable, Active Low

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Introduction to the QRW035A0G41

The QRW035A0G41 is a DC/DC converter manufactured by Qualstar Power Solutions. It is a 45W, single output, 3-input switching regulator. It offers a wide range of output voltages from 0.6V to 5V. Input voltage is rated for 6-28Vdc. A maximum efficiency of 96% is achieved under full load. This device also features over voltage, current limit, and thermal protection.

Application Field of the QRW035A0G41

The QRW035A0G41 is suitable for a wide range of applications in various sectors such as industrial, telecommunication, military, medical, and automotive industries. Its wide range of input range makes it ideal for use in telecommunications, which typically require both low- and high-voltage outputs. Its efficiency and reliability make it suitable for use in industrial applications for controlling motors, pumps, and other power-conversion systems. Its ability to provide adjustable outputs makes it well suited for medical and automotive applications for controlling temperature, lighting, and other power system components.

Working Principle of the QRW035A0G41

The QRW035A0G41 is an integrated circuit that uses a high-frequency switching technique to efficiently convert direct current into an adjustable output voltage. At the heart of the converter, the PWM switching regulator takes DC input voltage and produces an output voltage through an inductive-capacitive filter.The PWM converter circuit works by switching high-frequency pulses of different widths onto the output of the circuit, which causes a variation in the output voltage. The switching frequency is typically in the range of several hundred kilohertz with a duty cycle ranging from 50 to 100%. The output voltage is then adjusted using a pulse width modulator, which has built-in feedback circuitry. The modulator adjusts the amount of time that the output is off or on, to control the amount of power delivered to the load.

Conclusion

The QRW035A0G41 is a high-efficiency, wide-range DC/DC converter suitable for a wide range of applications. Its wide range of output voltages and adjustable voltage make it well suited for applications needing low and high voltage outputs. The PWM switching regulator at its core produces a highly efficient output voltage and the built-in feedback circuitry of the pulse width modulator enables the device to automatically adjust its output to meet a pre-defined requirement.

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