CDLL5711

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Diodes - Rectifiers - Single

CDLL5711 is a common type of rectifier diode that is used to convert an alternating current (AC) into a direct current (DC). The CDLL5711 is designed to handle high power and is widely used in various applications including power supplies, power-filtering circuits, voltage converters, and other rectifier circuit applications. This article will explore the application field and working principle of the CDLL5711.

Application Field:

The CDLL5711 is a high-power Schottky diode that is widely used in rectifier circuit applications. It can handle up to 57A of continuous forward current and up to 1.17kV of reverse voltage. It is therefore commonly used in various power supply and voltage converter applications, such as switched-mode power supplies and AC/DC bridge rectifiers, as it can handle high power and operate at higher frequencies than conventional rectifier diodes. The diode also has excellent dynamic characteristics, making it suitable for regulating high power radio frequency applications such as high power solar cell systems and pulse-width-modulating (PWM) control circuits. Furthermore, the diode’s low-rate, temperature-independent voltage drop helps reduce power consumption and heat dissipation, making it suitable for applications where high efficiency is required.

Working Principle:

The CDLL5711 is a three-terminal Schottky diode that utilizes a p-type barrier contact to form a junction between the two outer terminals. The diode operates by allowing current to flow in one direction and blocking current flow in the opposite direction. When a forward voltage is applied across the diode, electrons in the n-type material near the junction combine with holes in the p-type material to form an acceptance level near the junction. The electrons then form a conductive bridge between the two terminals, allowing current to flow in the forward direction. When the forward voltage is removed, the diode reverses its operation and the electrons move away from the acceptance level, thus blocking current flow in the opposite direction. This switching action help ensure that the output of the circuit remains regulated.

In addition to its basic switching action, the CDLL5711 also features several internal features that enhance its performance. For instance, the device features dynamic impedance matching and an optimized temperature-dependent forward voltage drop, which helps reduce power loss and improve efficiency. It also includes an improved body diode cutoff voltage, which helps reduce reverse recover losses and ensures that the output voltage of the circuit remains regulated. Finally, the diode includes an adjustable clamping circuit, which reduces surge current and prevents the diode from entering a breakdown state when exposed to high surge voltages.

Conclusion

The CDLL5711 is a high-power rectifier diode that is used in many power supply and voltage converter applications. It is designed to handle up to 57A of forward current and 1.17kV of reverse voltage and has excellent dynamic characteristics. It also offers several internal features, such as dynamic impedance matching, an optimized temperature-dependent forward voltage drop, and an adjustable clamping circuit which help improve efficiency and reduce power loss. The CDLL5711 is a powerful and reliable rectifier diode that is suitable for various applications.

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