RT8008-25GB

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RT8008-25GB Application Field and Principle of Working

RT8008-25GB is a DC-DC Buck (Step-down) Switching Regulator designed by Richtek Technology Corporation. It is a PMIC (Power Management IC) voltage regulator which is designed to provide low noise and low dropout voltage while providing a low current high accuracy solution. The main purpose of the RT8008-25GB is to convert a DC input voltage (12 VDC to 24 VDC) to a lower regulated output voltage of 5 VDC at up to 2.5 A. It can also be used for other applications such as inverters, battery charging systems, and other power conversion applications.

Features:

• Wide input voltage operation from 9 VDC to 25 VDC
• High efficiency synchronized rectification design
• 2.5A continuous output current
• PWM-based current mode control
• Additional external control features
• Operating frequency up to 1MHz
• Programmable over-current protection circuit
• Thermal protection circuit
• Low dropout voltage and quiescent current

Applications:

• Battery-powered products
• Portable medical products
• Relay control systems
• LED flashlight applications
• Modular power systems
• Robotics projects
• Power tools

Principle of Operation:

The RT8008-25GB is a DC-DC Buck (Step-Down) switching regulator that uses a pulse-width modulation (PWM) current mode control technique to regulate the output voltage. It features a low dropout voltage and quiescent current, and includes integrated over current, over temperature, and under voltage protection. The PWM current mode control is synchronized to the converter’s switching frequency, ensuring high regulation accuracy and response time. The device also has an external control feature that can be used to bypass the PWM control and enable or disable the device when needed. The RT8008-25GB can operate at a switching frequency of up to 1MHz, allowing for high frequency operations. The package of the device is a 6-pin SOP (Small Outline Package), making it ideal for applications where board space is a concern.

Conclusion:

The RT8008-25GB is an efficient DC-DC Buck (Step-Down) Switching Regulator that offers a low dropout voltage and high accuracy output voltage regulation. It is suitable for a wide range of applications such as battery-powered devices, rechargeable power tools, LED flashlight applications, and robotics projects. With its high switching frequency of up to 1MHz, it can achieve a full range of output power requirements. The device also features over current, over temperature, and under voltage protection, making it an ideal choice for applications in mission-critical environments.

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