R1S8-1212/P

Current - Output (Max):	84mA
Control Features:	--
Size / Dimension:	0.50" L x 0.42" W x 0.28" H (12.8mm x 10.7mm x 7.0mm)
Package / Case:	8-SMD Module
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 R1S
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters: R1S8-1212/P Application Field and Working Principle

DC/DC converters are designed to convert a direct current level of one voltage to another. These converters are used in a variety of industries, including transportation, industrial, consumer electronics, instrumentation, and aerospace. Specifically, the R1S8-1212/P is a DC/DC module that is used in an intermediate power range. A few examples of where this module is used include in motor controllers, DC/DC sub-multiples, frequency converters, battery packs, and driving LED lights. The primary benefit of this DC/DC converter is that it provides a steady and reliable voltage output.

Circuit Design

The R1S8-1212/P circuit was designed to optimize efficiency while reducing the total output power and cost. It consists of a control module, pulse width modulation (PWM) controller, high frequency transformer, insulation gap, filter capacitance, switching transistor, rectifying diode, thermal cutout, and a simple protective circuit. Additionally, this circuit is designed to adapt with changing input and output voltages.

Working Principle

The R1S8-1212/P DC/DC converter works by generating a predetermined PWM wave from the PWM controller. This wave is then used to control a switching transistor, which uses a high frequency transformer to transform the incoming voltage. The output voltage is determined by the output current and filter capacitance. The rectifying diodes used in the circuit are responsible for providing a regulated voltage output. The thermal cutout is used to protect the circuit from potential damage due to high temperatures. Finally, the protective circuit is used to detect any abnormalities, such as overloading, short circuiting, and resistance.

Conclusion

The R1S8-1212/P is a reliable intermediate power DC/DC converter that is designed for a variety of industries. The circuit was designed to optimize efficiency while reducing the total output power and cost, and the components used provide a steady and reliable output voltage. The converter provides an alternative to linear voltage regulation by using PWM to control the switching transistor. This DC/DC converter is an excellent choice for providing a stable and reliable voltage output for various applications.

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