IR3898MTRPBF

The IR3898MTRPBF is a highly integrated and efficient DC/DC power supply chip manufactured by Infineon (formerly International Rectifier). It is a versatile and easy-to-use DC/DC regulator that offers a wide range of features and benefits, making it suitable for a variety of applications.

Key Features:

• Wide Input Voltage Range: The IR3898MTRPBF supports an input voltage range from 1.0V to 21V, with an external Vcc. This allows it to be used in a wide range of power supply systems.
• Programmable Switching Frequency: The switching frequency of the IR3898MTRPBF is programmable from 300kHz to 1.5MHz, providing flexibility in optimizing the power supply solution for different applications.
• High Efficiency: The IR3898MTRPBF adopts advanced power MOSFET technology and current-mode controller, which results in excellent conversion efficiency. This helps to reduce energy consumption and heat dissipation, thereby extending the battery life of devices.
• Enhanced Line/Load Regulation: The chip features enhanced line and load regulation with feed-forward, ensuring stable output voltage under various operating conditions.
• Internal Digital Soft-Start/Soft-Stop: The IR3898MTRPBF incorporates internal digital soft-start and soft-stop functions, providing smooth power-up and power-down sequences to protect the load and extend the lifespan of the power supply.
• Multiple Protection Functions: The chip offers important protection functions such as over-current protection, over-voltage protection, thermal shutdown, and thermally compensated current limit. These features provide system-level security in the event of fault conditions.
• Small Size and Space-Efficient: The IR3898MTRPBF is packaged in a compact 4mm x 5mm PQFN package, making it suitable for use in space-limited devices. This contributes to the compact design and layout of systems.

Applications:

• Power Management Systems: The IR3898MTRPBF can be used in power management systems for data centers, industrial controls, and communication equipment. Its high efficiency and stability help improve the energy utilization of the entire system and reduce energy consumption.
• LED Drivers: The chip is also suitable for LED driver designs in the LED lighting field. Its high performance and reliability ensure stable brightness and long lifespan of LED luminaires.
• Automotive Electronics: The IR3898MTRPBF can be applied in automotive electronics, including vehicle power management systems, optoelectronic devices, and sensors. Its stability and anti-interference ability meet the requirements of automotive electronic systems for high temperature, high pressure, and high frequency environments.
• Industrial Automation: The chip is suitable for power management and control in industrial automation equipment. Its high efficiency and programmable performance meet the requirements of various industrial equipment for power quality and power regulation.

In summary, the IR3898MTRPBF is a highly integrated, efficient, and versatile DC/DC power supply chip that offers a wide range of features and benefits. Its compact size, high efficiency, and multiple protection functions make it an ideal choice for various applications, including power management systems, LED drivers, automotive electronics, and industrial automation.