RN-1212S

Current - Output (Max):	104mA
Size / Dimension:	0.50" L x 0.40" W x 0.30" H (12.8mm x 10.1mm x 7.6mm)
Package / Case:	8-DIP Module, 4 Leads
Mounting Type:	Through Hole
Efficiency:	82%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	1.25W
Series:	ECONOLINE RN
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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<p>DC DC converters are power supplies that convert a given direct current input to another voltage level, or a different form, such as alternating current. They are widely used in industries ranging from aerospace to computing and medical equipment. The RN-1212S is an example of a DC DC converter, and its application field and working principle are explored in this article.</p><h2>Application Field</h2><p>The RN-1212S DC DC converter is a full-bridge current-mode convertible with a wide range of input parameters. This versatility makes it ideal for many applications, including powering single board computers, computer, server, display, and device peripherals, and supplying various consumer electronics and medical equipment. It is also suitable for use as a LED driver for back-lighting displays and lighting solutions as well as a voltage source for electrostatic precipitators and laser systems.</p><p>The RN-1212S offers high performance operation, including input and output voltage ranges from 4.5V to 16V, 5A of output continuous current, 120kHZ frequency synchronization, and high efficiency up to 90¡À3%, making it an ideal choice when maximizing efficiency is required. Its unique protection features include over-voltage, over-temperature, over-current, and short circuit protection, ensuring its safe and reliable operation in a variety of applications.</p><h2>Working Principle</h2><p>The RN-1212S DC DC converter utilizes a full-bridge Buck-Boost circuit to provide a high efficiency conversion process. It consists of a bridge rectifier to convert the input AC voltage to a DC voltage, a PWM controller to regulate the DC voltage, and a MOSFET switch to control the output current. The input voltage is rectified and converted to a DC voltage by the bridge rectifier, which is then regulated by the PWM controller. The output voltage is regulated by the switching MOSFET, which is controlled by the PWM signal and the output current is regulated by sensing the voltage drop across a sense resistor.</p><p>The RN-1212S also provides a wide range of user-selectable parameters for a variety of applications, such as overload current protection, over-voltage protection, and soft start. The user can adjust the switching frequency, the current limit, the switching duty cycle and the under-voltage lockout. Through these adjustable parameters, users can realize a cost-effective, reliable, and efficient power system with the RN-1212S DC DC converter.</p><h2>Conclusion</h2><p>The RN-1212S DC DC converter is a full-bridge current-mode convertible with a wide range of applications and features that make it ideal for powering single board computers, computer, server, display, and peripheral devices, and supplying various consumer electronics and medical equipment. Its versatile adjustable parameters, protection features, and high efficiency make it an ideal choice for many applications where maximizing efficiency is required.</p>

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