QHS40ZE

Current - Output (Max):	40A
Control Features:	Enable, Active High
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:	89%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	132W
Series:	QHS
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
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Part Status:	Obsolete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-QHS40ZE Application Field and Working Principle

DC-DC converters, also known as step-up or step-down transformers, are used in a wide range of industries and applications. These devices can help to provide electricity from a single DC power source, and can also provide voltage regulation, voltage conversion, or load protection in various applications. Among these, the QHS40ZE DC-DC converter is a medium power converter used in the power supply field for its high-efficiency and high-performance.The QHS40ZE can be used to convert a wide input voltage range of 4.5V to 20V into a single output voltage of 3V to 12V. The device has a maximum output power of 40W and features a wide input voltage range, ultra-wide output voltage range, and high efficiency of up to 94%. Moreover, the QHS40ZE has a built-in under-voltage-lockout (UVLO) to protect the converter from lower input voltages, and the output voltage can be programmed by an external resistor.The working principle of the QHS40ZE can be divided into two parts: the power stage and the control stage. The power stage consists of an inductor and MOSFETs, which are used to convert the input voltage to the output voltage. An internal switch mode DC-DC converter is then used to control the power transitions to the output voltage range. The control stage provides monitoring and feedback signals for the power stage. An internal voltage regulation loop adjusts the current flow through the system to maintain the output voltage at the desired level.The QHS40ZE has a wide range of applications in the power supply field, such as in automotive electronics, industrial control systems, medical equipment, and consumer electronics. For example, in automotive electronics, the QHS40ZE can be used to step up the 12V battery voltage to higher voltages for applications like headlights, power windows, and radio receivers. In consumer electronics, the QHS40ZE can be used to step down the main voltage from the power grid to power small circuits in a range of applications, such as TVs, laptops, and electronic games.In conclusion, the QHS40ZE is a high-efficiency and high-performance DC-DC converter, suitable for a wide range of applications in the power supply field. Its wide input voltage range, ultra-wide output voltage range, and high efficiency make it ideal for industrial control systems, automotive electronics, medical equipment, and consumer electronics.

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