TEC 3-4821

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DC-DC converters provide regulated power from input sources of various voltage levels. The TEC 3-4821 is a constant power DC-DC converter designed to step down an input voltage of 48VDC to a regulated output voltage of 21VDC in an isolated and protected configuration.

The TEC 3-4821 is a low-to-medium power step down converter with constant power characteristics. It is a low-profile design that is lightweight and capable of operating in ambient temperatures up to 95°C. Its constant power output makes it an ideal choice for high current applications in which load conditions are likely to vary.

The TEC 3-4821 uses an advanced switched-mode topology combined with synchronous rectification technique for high efficiency. It is integrated with diagnostics protection technologies, such as input undervoltage lockout, short-circuit protection, overvoltage protection, over-temperature protection, and reverse-block protection, giving reliable, safe operation in any application.

The input power range of the TEC 3-4821 is from 36VDC to 48VDC. The output voltage is adjustable with an accuracy of ±15mV and can be set by an external resistor with a single turn potentiometer. Because the output voltage can be adjusted easily, the TEC 3-4821 is suitable for applications in which the output voltage is subject to adjust to a demanded voltage value.

Its constant power feature ensures that the converter can output an adjustable current with a near-constant output voltage while varying the input power. This makes the TEC 3-4821 ideal for use in applications that require a constant output voltage as the load or input voltage varies. Examples include automotive applications, where the power supply must remain stable despite the fluctuating input voltage from the vehicle\'s battery.

The TEC 3-4821 also includes remote on/off control for added system flexibility and the ability to sense the operating temperature of the system for temperature compensation. All in all, the TEC 3-4821 is an exceptionally powerful and reliable DC-DC converter that can be used in a variety of applications.

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