CDLL4569

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The CDLL4569 is a type of single-pole, normally-closed, silicon gate voltage reference device. It is a type of Zener diode that is used to create a precision reference voltage source in applications where a low-cost, low-power solution is required. The CDLL4569 is a part of the CDLL45xx family of Zener diode products and has an operating temperature range from -55°C to +125°C.

The CDLL4569 is a three-terminal voltage reference that is designed to provide an extremely tight voltage tolerance, which is typically less than ±1%. By tightly regulating the input voltage, the device can provide an extremely accurate voltage reference for a variety of applications. Its low temperature coefficient (typically 0.01%/°C) provides a stable reference voltage over a large temperature range.

The device is designed for use in AC/DC converters, power supplies, analog-to-digital converters, computer peripherals, and data-logging systems. It can also be used in circuits with long-term stability requirements such as telecom bridges and communications systems. The CDLL4569 has the ability to perform several functions with minimal external components.

The working principle of the CDLL4569 is based on the property of the Zener diode. A Zener diode is a semiconductor diode that exhibits a reverse breakdown voltage. When a voltage greater than the breakdown voltage is applied, the diode allows current to flow in the reverse direction. This property can be utilized to create a voltage reference. When the voltage across the input and output terminals of the device reaches the breakdown voltage, the device’s output voltage will remain constant. This fixed output voltage is the reference voltage.

The CDLL4569 is constructed from two p-type and two n-type diodes. The top n-type diode and the bottom p-type diode are connected in series and are referred to as the Zener diode. The bottom n-type diode and the top p-type diode are connected in parallel and are referred to as the current limiting diode. The two diodes together create a voltage reference node, where current flows in the reverse direction and the potential voltage is held constant at the Zener diode breakdown voltage. The current limiting diode limits the current flow through the device, making it more stable.

The device features a Zener diode and a current limiting diode connected in series. When a voltage greater than the breakdown voltage of the Zener diode is applied to the input-output terminals, current will flow through the device and the output voltage will be held constant at the breakdown voltage. This makes the device ideal for creating a precision reference voltage source in applications such as voltage regulation, signal conditioning, and AC/DC conversion.

The CDLL4569 is an excellent choice for applications that require a low-cost, low-power solution that is able to provide accurate voltage regulation. Its tight voltage tolerance and low temperature coefficient make it highly reliable and stable in a variety of applications. The device is easy to use and requires minimal external components, making it an ideal choice for a wide range of applications.

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