QW075F1

Series:	QW075
Packaging:	Bulk
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	36V
Voltage - Input (Max):	75V
Voltage - Output 1:	3.3V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	15A
Power (Watts):	50W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OTP, OVP
Operating Temperature:	-40°C ~ 100°C
Efficiency:	81%
Mounting Type:	Through Hole
Package / Case:	8-DIP Module
Size / Dimension:	2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
Control Features:	Enable, Active Low

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DC-DC converters are essential components of any electronic system. They are used to convert a DC voltage from one level to another. They offer the highest levels of efficiency, accuracy and reliability, and are often used to regulate the output of analogue controllers, AC and DC loads, digital microcontrollers and other components. The QW075F1 is a type of DC-DC converter, characterized by its small, compact size, low heat dissipation, high efficiency and reliability.The QW075F1 DC-DC converter incorporates a synchronous rectifier topology which offers high efficiency over its entire operating range. This converter is integrated with a precise analog modulator, which ensures accuracy and reliability of the output voltage. In addition, the QW075F1 offers improved accuracy of output current, temperature stability, fast response time and low-output ripple.The standard operating voltage range of the QW075F1 is 4.5V to 14.5V, while the output voltage range is 0.7V to 6V. The maximum output current that can be supplied by the converter is 5A and its continuous output power is 75W. The operating frequency of the QW075F1 is 250kHz, offering high efficiency and excellent power supply stability. Furthermore, the converter is designed with Surge Stopping Transistor (SST) protection, which stops surge current from reaching the load.The QW075F1 converter is used in a wide variety of applications, including telecommunications, medical, military, industrial, automotive and power supplies. Its features make it suitable for powering multiple low voltage microcontrollers, MCUs, DSPs, FPGAs, and battery powered devices. In addition, it is also used as a voltage regulator for power amplifiers, servo motors and motors, and switching power supplies.The QW075F1 is designed to provide high efficiency and reliability over a wide input and output voltage ranges, thus eliminating the need for external components and saving space and cost. In addition, its fast switching frequency and built-in protection circuits make it suitable for robust operation at high temperatures and in harsh environmental conditions.The working principle of the QW075F1 converter is based on the switching of a high frequency pulse-width modulation (PWM) signal. The PWM signal is produced by an accurate analog modulator, which modulates the pulse width according to the control voltage. This accuracy of the control voltage is maintained by a voltage feedback circuit, which ensures that the output voltage remains constant at all times. The output driver circuit is then connected to a synchronous rectifier circuit, which converts the AC signal to a DC signal. This process enables efficient energy transfer without dissipating energy in the form of heat. The QW075F1 also offers protection against overload and reverse current conditions. It is designed to shut down when the input or output voltage exceeds the specified limits or when the output current is greater than the rated value. The converter also contains an internal thermistor which shuts down automatically when the internal temperature of the device exceeds the maximum allowable limit.The QW075F1 offers the advantages of low heat dissipation, high efficiency, accuracy and reliability, and is suitable for use in numerous applications. It is an essential component of many industrial, automotive and power supply systems.

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