RT8481AGE

Power Supply Controllers, Monitors Overview

The RT8481AGE is a secondary-side controller manufactured by Richtek USA Inc., designed for power supply applications. It operates within a supply voltage range of 4.75V to 50V and draws a supply current of 500 µA. The device is housed in a 6-pin SOT-23 surface-mount package and functions reliably across an operating temperature range of -40°C to 85°C.

Power Supply Controllers, Monitors Feature Summary

• Secondary-side control functionality
• Wide input voltage capability
• Low quiescent current consumption

Power Supply Controllers, Monitors Applications

• Secondary-side regulation in isolated converters
• Flyback power supplies
• Offline AC-DC conversion systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific datasheet revision and pinout configuration against the target design requirements before integration. Confirm that the 6-pin SOT-23 package dimensions align with the PCB footprint. Ensure the operating environment remains within the specified -40°C to 85°C thermal limits for reliable performance.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing isolated power stages requiring secondary-side feedback control. The wide supply voltage range accommodates various output voltages, while the low supply current supports energy-efficient designs. Verify compatibility with the primary-side controller and optocoupler interface if used.

Power Supply Controllers, Monitors Part Context

This part belongs to Richtek's portfolio of power management integrated circuits, specifically targeting secondary-side control solutions. It complements other PMIC offerings by providing precise regulation capabilities for isolated topologies, ensuring stable output performance in demanding power conversion environments.

Power Supply Controllers, Monitors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources or authorized distributors for cross-reference information regarding equivalent secondary-side controllers.