ISL78225ANEZ

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The ISL78225ANEZ integrated circuit is a highly integrated buck-boost DC-DC controller that can regulate multiple voltage rail outputs. It provides multi-rail output voltage control with an accurate over-current monitoring and protection capabilities. This device is ideal for use with a buck-boost topology when accuracy and efficiency are needed.

The ISL78225ANEZ is a fully integrated device with a simple buck-boost topology that eliminates the need for complex power architectures. It uses an external high-side NMOS and low-side PMOS to provide high efficiency, fast transient response and low switching noise.

Application Field

The ISL78225ANEZ is a high performance DC-DC controller for high voltage solar cell applications. It is designed for use in a variety of applications such as:

• High Voltage Solar Panels
• Energy Efficiency Applications
• Power Supplies for Electric Vehicles
• Distributed Power Systems

Working Principle

The ISL78225ANEZ works by controlling the current flow between the high and low side MOSFETs to generate and regulate the output voltage. The device also incorporates an advanced control loop that accurately monitors the output and detects any over-current conditions.

Features

The ISL78225ANEZ DC-DC Controller offers a number of features that make it an ideal choice for high voltage solar applications:

• High Efficiency - Up to 94% conversion efficiency when used with a buck-boost topology
• Excellent Transient Response - Quick voltage regulation and load response
• High Output Voltage - Up to 48V output
• Low ESR - Low external components for reduced system power losses
• Low Switching Noise - Low switching noise for quieter operation
• Integrated Protection - Over-current detection and protection

Conclusion

The ISL78225ANEZ is a highly integrated DC-DC controller designed specifically for use in high voltage solar cell applications. It features high efficiency, excellent transient response, low ESR and low switching noise. Additionally, the integrated protection features make it an ideal choice for reliable and accurate operation in a wide variety of voltage regulation applications.

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