SC4910AITSTRT

Power Supply Controllers, Monitors Overview

The SC4910AITSTRT is a secondary-side controller and synchronous rectifier manufactured by Semtech Corporation. It operates within a supply voltage range of 4.5V to 18V and draws a supply current of 10 mA. The component is designed for surface-mount installation in a 20-TSSOP package, which measures 0.173 inches (4.40mm) in width. It supports an operating temperature range from -40°C to 125°C. The device is classified as obsolete and no longer in production.

Power Supply Controllers, Monitors Feature Summary

• Functions as a dedicated secondary-side controller for power conversion systems
• Supports synchronous rectification operations
• Integrated into a compact 20-pin TSSOP surface-mount package

Power Supply Controllers, Monitors Applications

• Secondary-side control in isolated power supplies
• Synchronous rectifier implementations
• Power management circuits requiring secondary-side regulation

Power Supply Controllers, Monitors Procurement Notes

This component is officially discontinued and no longer manufactured by Semtech Corporation. Verification of availability should focus on surplus or aftermarket channels rather than direct manufacturer distribution. Buyers must confirm the authenticity of the source and ensure the parts are free from damage, as they are end-of-life items. Cross-referencing with approved substitute part numbers is recommended to ensure long-term project viability and supply chain stability.

Power Supply Controllers, Monitors Selection Notes

Designers should consider that this specific part number is obsolete. Selection processes must prioritize verified replacement components to avoid future supply constraints. When evaluating alternatives, engineers should compare pin compatibility, electrical specifications, and thermal performance against the original SC4910 series requirements. Consulting official substitution guides ensures functional equivalence without redesigning the entire power stage.

Power Supply Controllers, Monitors Part Context

The SC4910 series belongs to Semtech's portfolio of power management integrated circuits focused on secondary-side control. These devices are engineered to enhance efficiency in isolated DC-DC converters by managing synchronous rectifier switches. The family typically targets applications where precise secondary-side regulation and high efficiency are critical for overall system performance.

Power Supply Controllers, Monitors Replacement Considerations

The FAN7688SJX from onsemi is listed as a similar alternative part number.