SC2621STRT

Overview

The SC2621STRT is a synchronous buck switching controller manufactured by Semtech Corporation. It operates with a fixed switching frequency of 500 kHz and supports a maximum duty cycle of 97%. The device provides a single output capable of delivering up to 1.5 A of current, with a maximum output voltage rating of 8.2 V. Designed for surface-mount applications, it utilizes a compact package configuration suitable for space-constrained power management designs.

Feature Summary

• Synchronous step-down topology for improved efficiency
• Integrated phase control and current limit protection
• Fixed 500 kHz switching frequency operation

Applications

• Point-of-load DC-DC conversion
• Embedded system power regulation
• Industrial control power supplies

Procurement Notes

Verify the specific suffix STRT against official Semtech documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with existing PCB footprints and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed-frequency synchronous buck solution is required. Evaluate input voltage ranges against the controller's operational limits. Confirm that the 1.5 A output current meets the load requirements without exceeding thermal constraints in the target enclosure.

Part Context

This part belongs to Semtech's portfolio of power management integrated circuits. It serves as a dedicated controller rather than a complete regulator, requiring external MOSFETs and passive components to form a functional power stage within a larger electronic system architecture.

Replacement Considerations

Consult official Semtech substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully to ensure functional equivalence in existing designs.