Current - Output (Max):	42mA, 42mA
Control Features:	--
Size / Dimension:	0.60" L x 0.42" W x 0.28" H (15.2mm x 10.7mm x 7.0mm)
Package / Case:	12-SMD Module, 10 Leads
Mounting Type:	Surface Mount
Efficiency:	80%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	1W
Series:	ECONOLINE R1D
Voltage - Output 3:	--
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters

Introduction

A DC-DC converter is an electronic device that has been used to convert a varying DC voltage from one value to another. DC-DC converters are used in a variety of applications, primarily in power electronics to provide regulated voltages for electronic control systems. Common examples include AC to DC, DC to DC, DC to AC, and AC to AC converters. DC-DC converters are available in many forms such as buck, boost, buck-boost, resonant, and Cuk converters.

R1D12-0512/P-R application field and working principle

The R1D12-0512/P-R series is a line frequency DC-DC converter designed for power supply applications where high precision, fast transient response, and low power consumption are required. This series is designed to provide a stable output voltage in the range of 0.9V to 5.5V with +/- 0.03V of accuracy and switching frequency up to 100KHz, depending on the load.The R1D12-0512/P-R series have a highly efficient power converter with low input and output ripple, high power output, wide input range, temperature monitoring, and overcurrent protection. The converter utilizes a two-stage power-switching circuit to convert an input voltage differential to a desired output voltage differential.The first stage of the converter is a full bridge rectifier with an advanced optimized reverse voltage circuit. This stage provides fast dynamic response to input voltage changes, resulting in improved voltage accuracy over the frequency range of the converter. The second stage is a DC-DC buck converter with highly efficient power conversion. It contains an adjustable frequency oscillator and low-side MOSFET switch, an inductor and an output diode.The R1D12-0512/P-R also incorporates an output filtering circuit which enables reliable operation in low line disturbances, low EMI, and high efficiency. The output voltage setting of the converter can be adjusted by varying the value of either the inductor or the output capacitor in the circuit according to the desired output voltage differential.The R1D12-0512/P-R can be used in any application where a variable output voltage is desired. These can include power supplies for personal electronics, automotive, industrial, communications, and consumer devices. It is also suitable for use in solar energy applications, as well as renewable energy sources such as wind power and hydro power.

Conclusion

DC-DC converters are widely used in power electronics applications due to their high efficiency and low power consumption. The R1D12-0512/P-R series DC-DC converter is a highly efficient and reliable solution for applications that require a stable output voltage over a wide range of frequencies. This converter utilizes a two-stage power-switching circuit to convert an input voltage differential to a desired output voltage differential, and includes an output filtering circuit for improved operation during low line disturbances, low EMI, and high efficiency. Additionally, the converter supports adjustable frequency and output voltage settings. These features make the R1D12-0512/P-R series ideal for a range of applications, including power supplies for personal electronics, automotive, industrial, communications, and consumer devices.

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