R1D12-1205/H-R

Current - Output (Max):	100mA, 100mA
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:	78%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	3kV
Power (Watts):	1W
Series:	ECONOLINE R1D
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC-DC Converters: R1D12-1205/H-R Application Field and Working Principle

DC-DC converters are power converters that provide a constant output voltage and current under various inputs, thus providing a stable source of power for various applications. The R1D12-1205/H-R is a special type of DC-DC converter developed by Recom International, and it is used in various applications. This article will discuss the general features of the R1D12-1205/H-R, its application field, and its working principle.

General Features of the R1D12-1205/H-R

The R1D12-1205/H-R is a 2-watt, isolated, step-down DC-DC converter with wide input voltage options of 12, 24, and 48 volts. It has a 5, 12, and 24-volt output voltage options and a very small form factor of 0.68”x0.75”x0.43” (17.5mm x 19 mm x 11 mm). This converter also has an excellent power efficiency of up to 91% and a very high no-load consumption of 16mA, making it ideal for applications that require very low power consumption.

Application Field of the R1D12-1205/H-R

The R1D12-1205/H-R is mainly used in a variety of industrial and commercial applications, such as industrial automation, process and control systems, precision measurement and control devices, medical and laboratory systems, and military and aerospace applications. It is also suitable for demanding applications that require high efficiency, extended temperature ranges, and long operating life.

Working Principle of the R1D12-1205/H-R

The R1D12-1205/H-R is a step-down DC-DC converter, and it works by converting a higher input voltage to a lower output voltage. This is achieved by a closed-loop control circuit, which consists of several components: an input capacitor, an oscillator, an error amplifier, a main conductor, a transformer, and a voltage regulator.The input capacitor accumulates the incoming current and supplies it to the oscillator. The oscillator generates a pulse-width modulated (PWM) signal, which is converted to an analog signal by the error amplifier. This signal is then fed to the main conductor, which controls the junction of the main transistor, converting it into a switching transistor. The switching transistor then sends the PWM signal to the transformer, thus inducing a current in the secondary winding of the transformer. This current passes through the filter inductor, which smoothes the pulsed current into a steady, regulated output current. Finally, the output voltage is regulated by the voltage regulator, which compares the output voltage with a reference signal and adjusts the switching transistor to ensure that the required output voltage is maintained.The R1D12-1205/H-R is a reliable and efficient DC-DC converter that is suitable for a variety of applications, from industrial automation to precision measurement and control. It offers an excellent power efficiency of up to 91%, a very small form factor, and a wide input voltage range. Its working principle is based on closed-loop control, which ensures that the desired output voltage is maintained even under varying input voltages.

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