SC508ULTRT

Overview

The SC508ULTRT is a synchronous EcoSpeed buck regulator manufactured by Semtech. It features a programmable LDO and operates at a switching frequency of 1 MHz. The device provides one output with a maximum current of 200 mA and a fixed voltage of 5 V. It functions within an input voltage range of 4.5 V to 5.5 V, consuming 13 mA of operating supply current. The component supports non-isolated topologies and includes shutdown functionality. It is rated for operation between -40°C and +85°C. The unit utilizes an MLPQ-UT-20 package and is available in cut tape or reel formats.

Feature Summary

• Synchronous EcoSpeed buck regulator topology
• Integrated programmable low dropout regulator
• High-speed switching capability at 1 MHz
• Shutdown control feature

Applications

• Mobile devices
• Data centers
• Industrial equipment
• Internet of Things (IoT) systems

Procurement Notes

Verify the specific ordering suffix against official Semtech documentation to ensure correct package and tape specifications. Confirm RoHS compliance status through the manufacturer's latest environmental declarations. Cross-reference the part number with authorized distributor catalogs to validate authenticity and traceability. Ensure that the selected packaging format matches the intended surface-mount assembly requirements. Check for any recent product change notices regarding pinout or electrical characteristics.

Selection Notes

Select this component when a compact, high-efficiency DC-DC solution is required for space-constrained designs. The integrated LDO simplifies power rail generation by reducing external component count. Consider the 1 MHz switching frequency for smaller passive component sizes. Evaluate the thermal performance within the MLPQ-UT-20 package for the target application environment. Ensure the input voltage range aligns with the system's power source capabilities.

Part Context

This part belongs to the SC508 series of power management ICs from Semtech. It is designed for applications requiring efficient voltage conversion and regulation. The series targets markets such as mobile computing and industrial automation. Semtech specializes in analog and mixed-signal semiconductors for connectivity and sensing. This regulator complements their portfolio of IoT and data center solutions.

Replacement Considerations

Consult official Semtech cross-reference guides for verified substitute part numbers. Verify compatibility with existing PCB footprints and schematic designs before substitution. Ensure that alternative components meet the same electrical and thermal specifications.