UEI-3.3/18-Q48NR-C

Series:	UEI
Packaging:	Tray
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	18V
Voltage - Input (Max):	75V
Voltage - Output 1:	3.3V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	18A
Power (Watts):	60W
Voltage - Isolation:	2.25kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OTP, OVP, SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	89.5%
Mounting Type:	Through Hole
Package / Case:	9-DIP Module, 8 Leads
Size / Dimension:	1.90" L x 1.50" W x 0.38" H (48.3mm x 38.1mm x 9.7mm)
Control Features:	Enable, Active Low

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DC DC Converters

An important part of the power electronics application field is DC-DC converters. DC–DC converters are electronic circuits that convert a constant DC source voltage to a different DC voltage level. This article will focus on the application field and working principle of the UEI-3.3/18-Q48NR-C DC-DC converter.The UEI-3.3/18-Q48NR-C DC-DC converter is a switching buck regulator, designed to convert a 3.3V DC input voltage to a constant 1.8V DC output voltage. It is designed to operate over different input voltage ranges, allowing for a wide range of applications. The converter has a wide operating temperature range, from 0°C to +85°C. It also has a typical efficiency of over 75%, making it a great choice for applications that require high efficiency.The working principle of UEI-3.3/18-Q48NR-C DC-DC converter is relatively straightforward. The input voltage is first stepped down to a lower voltage level. This is done using an input inductor, switch, and diode. When the switch is on, the inductor stores energy in the form of a magnetic flux. When the switch is off, the inductor releases the energy in the form of a current, which is then passed through the diode to charge the output capacitor.The output of the converter is then regulated by means of an internal regulation loop. This loop monitors the output voltage and compares it to a reference voltage. When the output voltage deviates too far from the desired level, the loop will adjust the switching frequency to bring the voltage back to the correct level. This allows the converter to maintain a constant output voltage, even when the input voltage varies.There are several advantages of the UEI-3.3/18-Q48NR-C DC-DC converter. The wide range of input voltage allows it to be used in a variety of applications, from automotive to industrial. The wide operating temperature allows for extended life of the device, increasing its reliability. Additionally, the converter has a high efficiency, reducing power loss and increasing efficiency.Overall, the UEI-3.3/18-Q48NR-C is a great choice for those in need of a reliable, efficient DC-DC converter. The wide input voltage range, wide operating temperature range, and high efficiency makes it perfect for a variety of applications. Its internal regulation loop also allows it to maintain a constant output voltage, even when the input voltage varies.

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