IW1821-01

Power Supply Controllers, Monitors Overview

The IW1821-01 is a digital primary-side AC/DC converter designed for three-phase industrial applications with power ratings up to 12W. It integrates a high-performance AccuSwitch quasi-resonant PWM controller and a 1200V power BJT switch within a single package. The device utilizes digital control technology to manage power conversion efficiently.

Power Supply Controllers, Monitors Feature Summary

• Integrates a 1200V power BJT switch with a digital PWM controller
• Employs AccuSwitch quasi-resonant switching technology
• Supports primary-side regulation for simplified design

Power Supply Controllers, Monitors Applications

• Three-phase industrial power supplies
• Low-power industrial equipment
• AC/DC conversion modules

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix (e.g., -01) against official Renesas documentation to ensure correct pinout and electrical characteristics. Confirm availability status as supply conditions may vary. Ensure compliance with RoHS directives before integration into final assemblies.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring integrated high-voltage switching in low-power industrial environments. The digital control architecture offers flexibility for system optimization. Evaluate thermal management requirements due to the integrated power BJT.

Power Supply Controllers, Monitors Part Context

Part of the iW1821 series from Renesas, focusing on compact AC/DC solutions. The series leverages AccuSwitch technology to enhance efficiency in small form factor designs suitable for demanding industrial sectors.

Power Supply Controllers, Monitors Replacement Considerations

Consult official substitution lists for verified alternatives. Generic equivalents may not match the integrated 1200V BJT or digital control specifications.