CDLL6263

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CDLL6263 Application Field and Working Principle

The CDLL6263 Zener diode is a component of the family of Zener diodes using two diodes which produces two parallel reference voltages of the same value. The CDLL6263 operates in a P-N junction diode configuration and uses a single junction to produce two different voltage references when a reverse voltage is applied to the diode.

Application Fields

CDLL6263 diodes can be used in a variety of applications, including:

• Cellular phone power management
• Automotive electronics
• Industrial electronics
• General purpose switching
• Robotics and automation systems
• Low- and medium-voltage circuits

Working Principle

When a reverse voltage is applied to the diode in a P-N junction configuration, the diode junction changes the resistance of the N-junction area. This means that when the reverse voltage is equal to or greater than the Zener voltage, the two junction diodes produce two parallel voltage references of the same value.In a CDLL6263 diode, the two parallel diode junctions are parallel-connected, with one reference point connected to the anode and the other to the cathode. This configuration produces two different voltage references when the reverse voltage is applied across the parallel-connected diodes.The CDLL6263 is designed to operate between its Zener voltage (typically around 6V) and its breakdown voltage (generally 12V). The diode can be operated in either a forward or reverse direction. When operated in a forward direction, the diode functions as a rectifier, and when operated in a reverse direction, it functions as a voltage reference.In order to measure the Zener voltage of the CDLL6263, a scaled voltage frequency analyzer or a test meter can be used. The measured Zener voltages of CDLL6263 diodes can be expected to be slightly off the Zener voltage due to power dissipation as the junction resistance changes.

Conclusion

CDLL6263 is an ideal component for applications with low power dissipation requirements and high reliability. The CDLL6263 is easy to set up, with very low forward and reverse leakage currents and very good linearity characteristics.Due to its two parallel voltage references, the CDLL6263 is more suitable for high voltage applications such as power management, automotive electronics, and industrial electronics where higher voltages are required and precise reference voltages are necessary.

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