40CPQ045

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Introduction to 40CPQ045 Application Field and Working Principle

The 40CPQ045 is a Diode Array module belonging to the Rectifiers collection. This series of Module has several variants, with an output current ranging from 2A to 10A. Specifically, the 40CPQ045 consists of 4x 100V, 2A diodes MOS-controlled rectifying circuit.

These devices, as the name suggests, are suitable for use in applications needing a rectified current, as well as applications which require static switching, such as in power supplies, buck converters, freewheeling circuits, high-power DC-DC converters, and more. Additionally, they can also be used in many telecommunication circuits.

Working Principle of the 40CPQ045

The 40CPQ045 comprises of a MOSFET current source and four parallel connected 100V, 2A diodes. Each of the diodes is responsible for conducting the current. In a MOS Controlled Rectifying Circuit, gate current is used to control the turn-on/off of the diode. By controlling the gate current, the current flowing through the MOS-controlled rectifying circuit can be selectively switched from a high level to a low level. In other words, the current flowing through the diode array can be controlled by adjusting the gate current.

When the gate current is given a higher value, the current flowing through the MOSFET does not exceed the rated current and thus, the diodes carry the current. When the gate current is below the set value, the voltage at the terminal of the diode is too low to cause conduction and therefore, no current flows through the diode array.

Furthermore, the 40CPQ045 also offers a fast turn-off operation, ESD protection, under-voltage lockout, and variable input and output voltage ranges. This makes the 40CPQ045 an excellent choice for use in applications which need a reliable and efficient rectifying circuit.

Conclusion

The 40CPQ045 module, belonging to the Rectifiers series, is a low cost and efficient solution for applications needing a rectified current or static switching. With its fast turn-on/off time, ESD protection, under-voltage lockout, and variable input and output voltage ranges, the 40CPQ045 is a great choice for telecommunication, power supply and high-power DC-DC converter applications.

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