TEC 2-0911

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DC-DC converters have become an essential power supply for a variety of electronic devices. The TEC 2-0911 is a DC-DC converter designed to provide 3.3 VDC output operating from -36V to -6V input. No external components are required while providing a cost effective solution for power applications such as HF, VHF, UHF, and microwave solid state amplifiers, repeaters, base-stations and general power supplies.

The main features of the TEC 2-0911 include ultra low input voltage switching capability, low input current, and high efficiency - up to 94%. The combination of these features offers increased power density, reduced system cost, and minimized thermal footprint. Additionally, a front-panel indicator LED provides visual indication that the unit is powered and running correctly.

The TEC 2-0911 consists of an input stage that includes two internal Schottky diodes connected in series and two active devices for regulation. The two diode are connected in series to prevent the input voltage from exceeding the positive supply voltage of the regulator, while still allowing for the range of input voltages mentioned above.

The two active devices connecting to the input stage form a “push-pull” configuration to provide both bias and adjustment for the regulator. This configuration helps to reduce the input current draw and improves the efficiency of the regulator.

The output stage of the TEC 2-0911 consists of a voltage regulator, a series inductor, and a capacitor for filtering. The voltage regulator ensures that the output voltage remains constant, while the inductor isolates the DC input from the DC output, allowing them to operate independently. The inductor also reduces the ripple on the output voltage, allowing the regulator to run at higher efficiency. The capacitor provides additional filtering, and is also used to store energy, allowing the output voltage to remain constant when the current draw from the load varies.

In addition to these features, the TEC 2-0911 also offers an adjustable output voltage, allowing users to customize the DC output for their application. The adjustable output voltage range is range is from 2.6 to 3.3 VDC and the voltage step size is 12 mV. The output voltage can be adjusted using an external digital potentiometer, or with an external voltage divider.

The TEC 2-0911 provides a cost effective, high-efficiency solution for powering a variety of electronic devices. Its wide input voltage range, adjustable output voltage, and high efficiency makes it an ideal choice for use in HF, VHF, UHF, and microwave solid state amplifiers, repeaters, base-stations and general power supplies.

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