ADN8833ACPZ-R2 Integrated Circuits (ICs)

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The ADN8833ACPZ-R2 is a specialized power management integrated circuit (PMIC) suitable for various applications. It offers a comprehensive feature set in a small form factor, and efficient operation.

Overview

The ADN8833ACPZ-R2 is a high-speed, low-noise, low-dropout linear regulator. It is designed to operate in high frequency switching mode without requiring a separate transformer. The regulator delivers an output voltage ranging from 1.5 V to 25 V with a total output current of 1A.

The device is ideally suited for powering high-end Zigbee applications, and is compatible with both 3.3V and 5V microcontrollers. It is also suitable for automotive applications and has built-in protection features that guard against over-voltage, over-current, and reverse-polarity conditions.

Features and Benefits

The ADN8833ACPZ-R2 has several features that make it an ideal choice for a variety of power management applications. These include:

• High efficiency: The device operates at an efficiency of up to 96% when in low-current operation and 84% when delivering high output currents.
• Wide output range: The device can regulate output voltages from 1.5 V to 25 V, thus making it suitable for a wide range of applications.
• Low noise: The ADN8833ACPZ-R2 features a low-noise design, making it suitable for even noise-sensitive applications.
• Built-in protection features: The device has several built-in protection features that guard against over-voltage, over-current, and reverse-polarity conditions.
• Small form factor: The device is available in a compact 8-lead SOIC package, helping reduce product size and cost.

Applications

The ADN8833ACPZ-R2 is suitable for a variety of power management applications including but not limited to:

• Mobile phones
• Tablets
• Portable media players
• Digital cameras
• Wireless devices
• LCD televisions

Working Principle

The ADN8833ACPZ-R2 operates in a high frequency switching mode, meaning that the device does not require a separate transformer. Instead, the voltage regulator operates by quickly switching a transistor on and off.

When the transistor is \'on\', current is drawn from the input supply and redirected to the output. At the same time, energy is stored in an inductor. When the transistor is \'off\', the energy stored in the inductor is released, maintaining a constant output voltage.

The device is designed to be used with a Schottky diode in parallel with the regulator\'s output. This ensures that when the voltage regulator is turned off, the diode will provide a path for the current still present in the inductor. This helps ensure that the device operates efficiently.

Conclusion

The ADN8833ACPZ-R2 is an ideal choice for a range of power management applications. It is capable of delivering a wide range of output voltages, while operating at high efficiency. Its built-in protection features help guard against common faults, and its small form factor helps reduce product size and cost. Finally, its high-frequency switching mode operation ensures efficient operation and ease of use.

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