TEC 3-4823

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DC DC converters supply precisely regulated DC voltages and currents from DC input supplies and are used in many different applications including consumer electronics, automation, computer power supplies, and in electric vehicles. They are also a common component in solar photovoltaic systems. The TEC 3-4823 is a DC DC converter with a wide input voltage range, efficient power conversion, and numerous protection features. This section will discuss the features of this converter and its working principle.

The TEC 3-4823 is a two-stage buck-boost converter designed to provide a regulated output voltage of 12 VDC with a high efficiency of greater than 97%. The input voltage range of the device is from 5 to 36 VDC with nominal inputs of 12, 24 and 48 VDC. The rated output power is 3 W with an output voltage accuracy of ±2%.

The device includes a number of onboard protection features including short-circuit, over-voltage, and thermal protection. The device also features a transient response of 200% for up to 1ms in duration. The total quiescent current draw is extremely low, at just 4 μA per ampere of load current.

When the input voltage to the converter exceeds a given threshold, the converter’s boost circuitry takes over and increases the output voltage up to its nominal value. This boost circuit is also used to regulate the output voltage and maintain it at its nominal rating. The buck circuitry on the other hand, is used to reduce the output voltage when the input voltage is lower than the nominal value. The output voltage is held at its nominal rating regardless of input voltage variations by a feedback circuit which constantly monitors the output voltage.

In order to minimize power loss, the converter makes use of a synchronous rectification technique. This technique switches the high side and low side MOSFETs in opposite directions. When the MOSFETs are switched in this way, the current flows directly from the input to the output, bypassing any energy storage effects associated with diode rectification.

The TEC 3-4823 is an excellent device for a wide range of DC DC converter applications. Its wide input supply range of 5 to 36 VDC, coupled with its high efficiency, low quiescent current draw, and numerous protection features make it an ideal choice for many different applications. In addition, its wide output voltage range and adjustable output voltage enable the device to be used in many different applications with a variety of output voltages.

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