TMR 3-4822WIR

Current - Output (Max):	125mA, 125mA
Supplier Device Package:	--
Size / Dimension:	0.86" L x 0.38" W x 0.44" H (21.8mm x 9.6mm x 11.2mm)
Package / Case:	8-SIP Module
Mounting Type:	Through Hole
Efficiency:	82%
Operating Temperature:	-40°C ~ 90°C (With Derating)
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	3W
Series:	TMR 3WIR
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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DC-DC Converters

DC-DC converters are an important part of modern electrical systems used in many industries, from the automotive to the consumer electronics, and to the heavy-industry. They provide a method of converting a direct current (DC) input voltage to an output voltage of a different magnitude and/or frequency. One of the most commonly used DC-DC converters is the TMR 3-4822WIR, a pulsed single conversion device.

The Application Field of the TMR 3-4822WIR

The TMR 3-4822WIR DC to DC converter can be used in a variety of industrial and consumer applications. Some of the primary uses include providing an adjustable output voltage, converting a fixed voltage to a variable voltage, and providing isolation between components.Within the automotive industry, the converter can be used to boost the voltage from a 12V battery to a higher level. This can be especially useful when trying to power a 12V-powered system with a 24V battery.In consumer electronics, the converter can be used to step up a 3.3V- to a 5V- electronic device. This allows a device to run off of a low voltage battery, yet still provide enough voltage to function properly. The TMR 3-4822WIR is also used for other applications such as power inverters, HVAC systems, and motor control systems.

The Working Principle of the TMR 3-4822WIR

The TMR 3-4822WIR uses a buck-boost topology and operates by converting a DC input voltage into a variable AC output. It is a single conversion device, meaning that the original signal is converted once to a new signal that is used for the desired purpose. The converter can be used to step up, step down, or both, depending on the desired output. The converter is composed of a main power switch, a transformer, a rectifier, a control circuit, and a protection circuit. When powered up, the switch is opened and closed alternately in order to create a stepped-up or stepped-down voltage as required. The transformer is used to amplify the voltage changing the AC signal to an appropriate AC voltage required for the output. The rectifier then rectifies and stabilizes the AC voltage, providing the desired DC voltage for the output. The control circuit monitors the voltage and current of the output and makes adjustments to the power switch in order to maintain a stable DC output. The protection circuit protects the device from overload or overvoltage.

In conclusion, the TMR 3-4822WIR is a versatile DC to DC converter that can be used for a variety of applications. It is suitable for a number of industries, including automotive, consumer electronics, and heavy-industry. The converter works by converting a DC input voltage into a variable AC output, which is then rectified and stabilized to provide a stable DC output. The control circuit and protection circuit provide added protection and ensure that the output voltage is stable, resulting in reliable performance.

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