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CDCR81DBQR application field and working principle

Clock/Timing - Application Specific

CDCR81DBQR stands for “CMOS Double-edge Controlled DC-DC Reduction Ratio”, which is a kind of energy-efficient voltage regulation devices. CDCRs are designed to provide buck-boost voltage regulation to various electronic systems and devices.

Applications

CDCR81DBQR is a power-conversion way to convert a high input-voltage DC input into a low-voltage regulated DC output. It is suitable for applications such as mobile applications, power supplies and computer systems. CDCR81DBQR feature a controlled buck boost regulator topology, allowing the device to respond to input voltages both below and above the desired output voltage, allowing for a wide variety of applications. An external standby pins allows for the device to be placed in a low-power mode, increasing battery life in portable applications.

Additionally, CDCR81DBQRs also feature adjustable output voltage ranges, allowing users to tune their applications. The output voltage range is usually between 0.6 and 5.2V, which means that CDCR81DBQR can supply outputs in the low milli-volt range, making this device suitable for applications that require ultra-low voltages.

CDCR81DBQR also has low operational and quiescent current, making it suitable for use in low-power, battery-powered application. It is also tolerant to wide ambient temperature range, up to 125°C.

Working Principle

CDCR81DBQR uses an efficient buck-boost voltage regulator topology to regulate the amount of voltage being supplied to different electronic systems. The device has two output pins for varying the output voltage independently. These two output voltage settings then can be used to either divide the supplied voltage, boosting the voltage up, or buck the voltage down, depending on the settings.

When power is supplied to the CDCR81DBQR, the input signal is received through the device’s input pins. The signal is then analyzed by the device to determine its current and voltage settings. Depending on the signal, the device then adjusts its settings according to the necessary voltage requirements and settings.

Once the signal settings are complete, the output pins then control the output voltage depending on the settings. This allows for an adjustable output which can be used to either buck or boost the supplied voltage, the voltage settings can vary between 0.6 and 5.2V.

Additionally, the output voltage can also be set using the external standby pins. This allows the user to adjust the settings as needed in order to achieve the desired results.

In conclusion, CDCR81DBQR is a suitable device for various types of applications. It is designed to provide an efficient buck-boost voltage regulation, with adjustable voltage settings. The device is also tolerant to wide ambient temperature range and has a low operational and quiescent current. This makes the device suitable for use in low-power, battery-powered applications.

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