PYB20-Q48-S12-H-DIN

Series:	PYB20-DIN
Packaging:	Bulk
Part Status:	Active
Type:	Isolated
Voltage - Input (Min):	18V
Voltage - Input (Max):	75V
Number of Outputs:	1
Voltage - Output 1:	12V
Voltage - Output 2:	--
Voltage - Output 3:	--
Voltage - Output 4:	--
Current - Output (Max):	1.67A
Power (Watts):	20W
Applications:	--
Efficiency:	87%
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	DIN Rail
Size / Dimension:	2.99" L x 1.24" W x 1.17" H (76.0mm x 31.5mm x 29.7mm)
Approvals:	EN, IEC

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Introduction

DC-DC converters are devices which provide the ability to convert a DC voltage from one level to another. For example, one can convert a low voltage input into a high voltage output to meet system requirements. The most common types of DC-DC converter topologies are the buck converter, the boost converter, the buck-boost converter, and the cuk converter.The PYB20-Q48-S12-H-DIN is a DC-DC converter manufactured by Mean Well and used in various applications. It is part of Mean Well’s High Power DIN-rail DC/DC Converter series and is used to convert a high voltage DC input into an adjustable and regulated low voltage DC output, making it suitable for a variety of applications.

PYB20-Q48-S12-H-DIN Application Field

The PYB20-Q48-S12-H-DIN is suitable for use in a wide range of applications, including industrial automation, telecommunication, electric power systems, and traffic control systems. It is designed for high power applications and can provide up to 12A maximum output current in a single output with full-rated power up to 700W.The PYB20-Q48-S12-H-DIN has an input voltage range from 36V to 75V, making it suitable for applications that require a wide input voltage range and high power efficiency. The output voltage is adjustable from 0.3V to 58V, and it supports a wide range of output load regulation requirements for the most demanding applications.

PYB20-Q48-S12-H-DIN Working Principle

The PYB20-Q48-S12-H-DIN is a switching DC-DC converter based on the buck converter topology. It is composed of a power switch, an inductor, a capacitor, a control circuit and other components.In a buck converter, when the power switch is turned on, the inductor stores energy from the input power supply, and then the switch is turned off, causing the stored energy to be discharged into the output. During the switching process, the voltage is stepped down and the output voltage level is controlled by varying the duty cycle of the switch.The PYB20-Q48-S12-H-DIN implements a fixed-frequency, quasi-resonant full-bridge (QFBR) topology, which is optimized for high efficiency and low EMI. The PYB20-Q48-S12-H-DIN features various protection functions such as over-voltage protection, under voltage protection, over-current protection, over-temperature protection and short-circuit protection, providing enhanced safety and reliability.

Conclusion

The PYB20-Q48-S12-H-DIN is a high power DC-DC converter manufactured by Mean Well and used in various applications. It is a switching DC-DC converter based on the buck converter topology, and is designed for high power applications with a wide input voltage range and adjustable output voltage. The PYB20-Q48-S12-H-DIN features various protection functions to ensure safety and reliability in operation.

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