TEL 2-1222

TEL 2-1222 is an isolated DC-DC converter, designed to provide isolation and voltage transformation between two independent power systems. Its power source can be any DC source up to 40Vdc. The output voltage is adjustable from 0.37Vdc to 37Vdc.

The input current – typically up to 3A – is constant and proportional to the load current. This ensures the converter is always operating in its optimal range and avoids thermal overload. The output voltage is regulated using a combination of Pulse Width Modulation (PWM) control and hysteresis loop control. Hysteresis loop control maintains the output voltage within a few millivolts of the desired level.

TEL 2-1222 has an adjustable current limit feature for overload protection. It also has short circuit protection, enabling the converter to shut down in case of a short circuit. The efficiency of the converter is typically greater than 90%, ensuring the highest conversion efficiency and low heat generation. Furthermore, the TEL 2-1222 is designed for a wide range of input voltages from 0.8V to 40V and has an input surge capability of up to 35V.

Applications for the TEL 2-1222 include various power supply and power converters for data acquisition and test equipment; portable medical devices; communications and industrial equipment; and automotive applications. Additionally, the converter meets a broad range of application specific requirements such as low standby current, low ripple and noise, and precisely controlled outputs.

The TEL 2-1222 features an integrated high frequency switching circuit to reduce power dissipation losses and enable high efficiency. The converter uses a synchronous rectifier with active start control to maximize the power delivered relative to the dissipated power. The output voltage is regulated using a feedback loop via a voltage sense resistor. In addition to this, the TEL 2-1222 has built-in voltage tracking protection, enabling it to provide a very high degree of output voltage stability.

In conclusion, the TEL 2-1222 is an isolated DC-DC converter designed for applications requiring isolation, voltage transformation and high efficiency. It provides a wide range of features that enable it to meet a variety of application requirements. Additionally, the TEL 2-1222 has integrated protection and voltage tracking features, making it an excellent choice for applications needing reliable power conversion.