TEL 3-1222

Current - Output (Max):	125mA, 125mA
Supplier Device Package:	--
Size / Dimension:	1.26" L x 0.79" W x 0.40" H (32.0mm x 20.0mm x 10.2mm)
Package / Case:	24-DIP Module, 13 Leads
Mounting Type:	Through Hole
Efficiency:	80%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	3W
Series:	TEL 3
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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Introduction to DC DC Converters

A DC DC converter is an electronic device that converts direct current (DC) voltage from one level to a different level, usually by utilizing energy stored in a magnetic field. Commonly known as an inverter, DC DC converters are used to provide power in a variety of applications and utilize a number of different techniques to produce the necessary conversion. DC DC converters are vital components in many types of electronic designs, allowing designers to easily design systems that require different voltages.

TEL 3-1222 Application Field and Working Principle

The TEL 3-1222 is a type of DC-DC converter manufactured by Telcom, Inc. It has a wide range of applications in industry, allowing the conversion of a wide range of DC input voltages into a different DC output voltage. It is primarily used in applications where the output DC voltage needs to be regulated and precisely controlled.The TEL 3-1222 converter utilizes a process known as pulse width modulation (PWM) to perform its conversion. The process begins by taking the DC input voltage and dividing it into two separate signals. The first signal is an Amplitude Modulated (AM) signal and the second signal is a Pulse Width Modulated (PWM) signal. The two signals are then combined together and used to drive a series of power transistors, which are controlled by the output of the PWM signal. These transistors act as a switch and regulate the output voltage of the TEL 3-1222. The PWM signal is generated by a microprocessor within the converter, with the pulse width determined by the parameters set by the user. This allows the TEL 3-1222 to not only convert voltages but also precisely regulate the output voltage. As such, it is often used in systems where precise voltage regulation is required.

Advantages and Disadvantages

The biggest advantage of a DC-DC converter is its ability to provide high conversion efficiency. This is due to the fact that most of the energy is not wasted during the conversion process, resulting in a system that requires less energy to operate. As such, DC-DC converters allow for a more efficient use of energy and can help to reduce operating costs.However, DC-DC converters also have some disadvantages. The main one is their size. Due to the nature of the conversion process, DC-DC converters need to be fairly large in order to function properly. This can make them difficult to integrate into designs with limited space. Additionally, the cost of a DC-DC converter can be quite high, making it unsuitable for some low budget applications.

Conclusion

The TEL 3-1222 is a type of DC-DC converter used for converting DC input voltages to regulated DC output voltages. It utilizes a process known as pulse width modulation (PWM) to perform the conversion. The TEL 3-1222 offers a number of advantages, such as high conversion efficiency and precise output voltage regulation. However, it also has some drawbacks, such as its large size and high cost. Despite this, the TEL 3-1222 remains a popular choice for systems requiring precise voltage regulation.

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