PYB20-Q48-D5-H

Series:	PYB20
Packaging:	Bulk
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	18V
Voltage - Input (Max):	75V
Voltage - Output 1:	5V
Voltage - Output 2:	-5V
Voltage - Output 3:	--
Current - Output (Max):	2A, 2A
Power (Watts):	20W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OVP, SCP, UVLO
Operating Temperature:	-40°C ~ 85°C
Efficiency:	86%
Mounting Type:	Through Hole
Package / Case:	6-DIP Module
Size / Dimension:	2.00" L x 1.00" W x 0.47" H (50.8mm x 25.4mm x 11.8mm)
Control Features:	Enable, Active High

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DC DC Converters – PYB20-Q48-D5-H

DC to DC converters are widely used in many different industries to deliver reliable, high quality power conversion from one DC voltage level to another. The PYB20-Q48-D5-H is a DC to DC converter manufactured by the US based Honeywell corporation, which is designed to provide efficient, low noise electrical conversion between voltages from 20 to 48 Volts (V). This article presents an overview of the device\'s application field and working principle.

Applications

DC to DC converters are typically used in applications that require power to be supplied at different voltages, either to process a signal or to drive a load. The PYB20-Q48-D5-H converter is primarily used in automotive, aerospace and industrial applications, where reliable and high-performance electrical conversion is required. For example, it can be used to convert the 48V output of advanced start/stop systems, or other applications in which reliable and efficient DC to DC conversion is needed.

Working Principle

DC to DC converters utilize a power electronic topology that can step-down or step-up an input voltage level to a desired output voltage level. In the case of the PYB20-Q48-D5-H converter, it is designed to operate as a Boost converter, which increases the voltage level of the input. The circuit consists of two main components - an inductor and a capacitor - connected in a series to create a closed-loop circuit. The inductor uses magnetic energy to charge the capacitor, while the capacitor delivers energy to the load. The working of the PYB20-Q48-D5-H converter can be described as follows: when the input voltage is applied, a switch (normally an insulated gate bipolar transistor or IGBT) is turned ON, allowing current to flow through the inductor. This creates a magnetic field which stores energy, which is then released by the inductor to charge the capacitor. As the capacitor is charged with energy, it begins to discharge and voltage increases, thereby creating an output voltage. At the same time, the IGBT is switched OFF and the current begins to reverse until it is fully discharged. During this process, the capacitor experiences a reduction in voltage until it reaches its original level. This cycle continues until the desired voltage output is achieved.

Conclusion

The PYB20-Q48-D5-H DC to DC converter is a reliable, efficient and low noise device that is used for a variety of applications. Its working principle is based on the Boost Converter topology, which uses an inductor and capacitor in a series circuit to increase the input voltage and produce a desired output voltage.

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