Voltage - Output 3:	--
Control Features:	Enable, Active Low
Size / Dimension:	2.30" L x 0.90" W x 0.34" H (58.4mm x 22.9mm x 8.6mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	90.5%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP, SCP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	2.25kV
Power (Watts):	100W
Current - Output (Max):	20A
Series:	UWE
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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DC DC Converters: UWE-5/20-Q48NB-C application field and working principle

DC-to-DC converters are widely used in applications involving direct current (DC) power supplies. The UWE-5/20-Q48NB-C is a special type of DC-to-DC converter, created with high switching frequencies and power levels in mind. It’s capable of transforming direct current from one voltage level to another without the need for external components. How is this converter doing it and what’s it useful for?

Brief Overview of the UWE-5/20-Q48NB-C

The UWE-5/20-Q48NB-C is a compact, step down DC-DC converter intended for applications that require a reliable, consistent supply of direct current (DC). It features adjustable output voltages (from 5 to 20 V) and high efficiency (up to 97%). Coupled with its compact design, the UWE-5/20-Q48NB-C is a perfect candidate for use in industrial applications that require low ripple and high step-down ratios.

Application Fields

Due to its wide input voltage range, the UWE-5/20-Q48NB-C can be applied to a variety of application fields. It’s most commonly used in power supply systems for radio equipment, computer hardware, industrial control systems, telecom equipment, and power distribution systems. Automotive and aerospace designs stand to benefit, too.

Working Principle

The UWE-5/20-Q48NB-C is equipped with an electronic switch, which has two stable states, ‘on’ and ‘off’. The switch’s voltage and current characteristics determine the input reliability—for instance, high current and voltage ratings indicate consistent performance. Using controlled characteristics of the switch, the DC input voltage is first chopped by means of a transistor, so that the chopper alternately connects and disconnects the input voltage. This chopped voltage is then passed through a filter so that the chopped portions of the input voltage are smoothened out into a sinusoidal form. This smoothed and filtered chopped signal is then stepped down to the desired output voltage level.

Conclusion

The UWE-5/20-Q48NB-C is a high end DC-to-DC converter designed for applications needing reliable, low ripple and high step-down ratios. Its wide range of input voltages, adjustable output levels and high efficiency make it a great candidate for use in industrial, automotive and aerospace designs, and it is most popularly used in power supplies and distribution systems. Its working principle is based on controlled characteristics of the switch, which chops, filters and steps down the input voltage.

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