R0.25S-0505-R

Current - Output (Max):	50mA
Size / Dimension:	0.49" L x 0.42" W x 0.28" H (12.8mm x 10.7mm x 7.0mm)
Package / Case:	8-SMD Module, 5 Leads
Mounting Type:	Surface Mount
Efficiency:	60 ~ 70%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	250mW
Series:	ECONOLINE R0.25S
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters

DC DC converters are power conversion devices that convert a DC voltage to a different DC voltage in order to efficiently provide power to systems and devices, such as laptop computers, using the same DC voltage. The most common type of DC DC converter is the buck converter, commonly known as the R0.25S-0505-R.

R0.25S-0505-R Application Field

The R0.25S-0505-R is used for a variety of applications, including the fast conversion of DC energy sources from one voltage into a different voltage. This device is suitable for applications such as automotive electronics, telecommunications systems, electric power systems, consumer electronics, laptop computers, and renewable energy systems.

R0.25S-0505-R Working Principle

The R0.25S-0505-R operates according to the two-quadrant or four-quadrant principle. In a two-quadrant converter, the input and output voltages are either “positive” or “negative” relative to a reference voltage. A four-quadrant device converts the input to the output with either buck or boost operating modes. Buck mode reduces the input voltage to a lower output voltage; while boost mode raises the input voltage to a higher output voltage.The R0.25S-0505-R is a buck DC-DC converter that uses two field effect transistors (FETs) and two to four diodes to produce a regulated output voltage from an input voltage with efficiency as high as 95%. A wide range of input and output voltages can be selected and the output voltage can remain consistent, even as the load current and the input voltage fluctuate.The R0.25S-0505-R is a closed loop controller that can be realized with either an analog or digital signal processor. In the analog case, the output voltage is monitored and compared to the desired output voltage. The feedback signal is then used to control the driver circuit’s duty cycle, which in turn regulates the inductor’s current and thus the output voltage.

Conclusion

The R0.25S-0505-R is a highly efficient and cost-effective buck DC-DC converter suitable for multiple applications. Not only does it provide a regulated output voltage, but it also does so with improved efficiency. The R0.25S-0505-R is thus an excellent choice for various applications, including automotive electronics, telecommunications, laptop computers, and renewable energy systems.

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