IW1825-31

Power Supply Controllers, Monitors Overview

The iW1825-31 is a digital primary-side AC/DC controller from the AccuSwitch family, integrating a 700V power MOSFET. Designed for applications up to 25W, it features configurable light load mode operation to optimize no-load standby power and fast dynamic line regulation. The device supports input overvoltage protection options and achieves less than 75mW at no load.

Power Supply Controllers, Monitors Feature Summary

• Integrates a high-performance digital AC/DC controller with a 700V power MOSFET
• Configurable light load mode operation for optimizing standby power and dynamic response
• Capable of delivering output power up to 25W
• Supports external input overvoltage protection configuration

Power Supply Controllers, Monitors Applications

• AC/DC power supplies up to 25W
• Adapters requiring low no-load standby power
• Applications needing fast dynamic line regulation

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized Renesas distributors or official channels. Confirm package type and suffix specifications against the latest datasheet. Check for obsolescence status as supply may be limited. Ensure compliance with RoHS directives before integration into final designs.

Power Supply Controllers, Monitors Selection Notes

Select this component for compact 25W AC/DC designs requiring integrated high-voltage switching. Consider the configurable light load mode if meeting strict energy efficiency standards is critical. Evaluate the need for external input overvoltage protection based on system requirements.

Power Supply Controllers, Monitors Part Context

Part of the iW1825 AccuSwitch series, which combines digital control with integrated power devices. This family targets cost-effective, high-density power solutions. The iW1825-31 variant specifically offers options for input overvoltage protection, distinguishing it from other variants in the series.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct pin-compatible alternatives within the iW1825 family, such as the iW1825-01, depending on specific feature requirements like input OVP configuration. Verify electrical parameters and thermal characteristics match the original design intent.