CDLL4932

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The CDLL4932 is a single zener diode, specifically a 500mW zener diode with a maximum breakdown voltage of 3.3V. This diode has a capacitance of 0.2pF and a maximum peak reverse current of 400mA. It is often used in applications requiring low voltage, highly reliable voltage regulators.

Overview

The CDLL4932 has many advantages that make it an ideal component for use in low voltage regulation applications. It has a very small form factor for more compact designs, and its low capacitance allows for a more efficient regulator design. The diode also has a low leakage current compared to other diodes and has high breakdown voltage regulation. Additionally, this device has a very wide operating temperature range (up to 125°C).

Application Field

The CDLL4932 is often used to regulate the voltage in portable and embedded systems, such as cell phones, DVD players and other consumer electronics. It is also a popular choice for automotive systems and smaller applications such as MP3 players and PDAs. Other potential applications include voltage controlled oscillator (VCO) circuits, low voltage signal switching, precision rectifier circuits and as a series reference for linear and switch-mode regulators.

Working Principle

The CDLL4932 operates on the principle of Zener breakdown. This is a phenomenon that occurs in semiconductors when a certain reverse bias, greater than a specified value, is applied. This reverse bias causes the electrons within the material\'s valence band to break into the conduction band, thus allowing current to flow. The breakdown voltage is dependent on the material, and is the applied voltage at which breakdown occurs. In the case of the CDLL4932, breakdown occurs at 3.3V.

When the CDLL4932 is used as a voltage regulator, it allows current to flow in a forward direction when the voltage exceeds the breakdown voltage of 3.3V. This limits the voltage supplied to downstream components. The reverse current is also limited to 400mA, so the CDLL4932 can safely be used in a variety of current limiting applications. The CDLL4932 is a highly reliable component and can be used in a variety of applications, making it an ideal component for low voltage regulation.

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