80CNQ045SM

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The 80CNQ045SM device is a rectifier array that was designed specifically to replace the Schottky diode in many high temperature power circuits. It is a dual common-cathode diode array made up of four 50V N-channel junction field effect transistors (JFETs). The device has a low voltage dropout and is suitable for applications that have higher power requirements.

The primary application field of the 80CNQ045SM is in low-side high-side circuits. It offers low on-state resistance and low-side protection, which is especially necessary when powering complex ICs. Additionally, it can provide improved reliability and reduced board area in many industrial applications, such as power supplies, motor control, and automotive electronics.

To understand how the 80CNQ045SM works, it is important to consider the operation of a Schottky diode. Schottky diodes use metal-semiconductor contact, in which metal ions are embedded into the semiconductor. This provides a low-voltage dropout, allowing the diode to conduct more current than a traditional diode. The metal contacts also provide lower conduction losses, which improve the efficiency of the circuit.

The 80CNQ045SM rectifier array works by replacing the Schottky diode with four N-channel JFETs connected in parallel. This eliminates the need to use metal contacts, which reduces the power losses associated with the Schottky diode. Additionally, the four N-channel JFETs are connected in parallel, which allows for more current to flow and reduces voltage dropout. The device also includes built-in ESD protection, which helps protect the device from damaging high voltage spikes.

Overall, the 80CNQ045SM is a highly efficient and reliable device, which offers significant advantages over conventional Schottky diodes. It offers low on-state resistance and low-side protection, which makes it an ideal choice for high-temperature power circuits and any other application requiring protection from voltage spikes. Additionally, its ability to reduce space and power losses make it an attractive option for industrial applications such as power supplies, motor control, and automotive electronics.

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