QHW050G71

Current - Output (Max):	10A
Control Features:	Enable, Active Low
Size / Dimension:	2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
Package / Case:	8-DIP Module
Mounting Type:	Through Hole
Efficiency:	84%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	25W
Series:	QHW
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	2.5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters

DC-DC converters are electronic devices designed to switch DC power from one voltage level to another. The most commonly used type of DC-DC converter is the buck-boost converter. This type of converter is known for its ability to step down or step up incoming DC voltage. Used in a wide variety of applications, the QHW050G71 DC-DC converter is an ideal candidate for powering LED lighting, providing significant energy savings.

QHW050G71 Application Field:

The QHW050G71 DC-DC converter is designed for use in LED lighting and other applications where a reliable source of power is required. With its dual output capabilities, it is able to provide both constant voltage and constant current for powering of multiple devices. This DC-DC converter is also equipped with safety protections, including over-current, short-circuit, and over-temperature protections, making it a highly reliable and safe choice for powering LED lighting.

Working Principle:

The working principle of the QHW050G71 DC-DC converter is based on the buck-boost control topology. This topology achieves high-efficiency conversion of input voltage and current by switching the circuit between a buck mode and a boost mode depending on the output voltage and current requirements. In buck mode, the converter operates in step-down mode, reducing the input voltage to match the required output voltage. In boost mode, the converter increases the input voltage to match the desired output voltage. This ensures that, regardless of the load requirements, the device can adjust its operation to maintain a constant output voltage. Additionally, by incorporating an internal switch mode controller to keep the output voltage stable over a wide range of load conditions, the device is able to achieve high efficiency operation.The QHW050G71 also features a wide range of safety protections, including over-current, short-circuit, and over-temperature protections. This ensures that the device will not malfunction if an excessive level of current is drawn or if the temperature of the device rises too high. Additionally, the device is designed with an internal current limiter to protect against overload, making it suitable for use in a wide variety of applications.In summary, the QHW050G71 DC-DC converter is an ideal choice for powering LED lighting and other DC applications where a highly efficient and reliable power source is required. With its dual output capabilities and built-in safety protections, it is able to provide a consistent and reliable source of power for any type of application.

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