SC445TETRT-01

Overview

The SC445TETRT-01 is a high-efficiency, synchronous step-down DC/DC converter from Semtech Corporation. It integrates two power switches and operates with an input voltage range of 2.7V to 5.5V. The device delivers up to 3A output current with adjustable output voltages. It features fixed-frequency operation at 1MHz or 2.2MHz, selectable via the FB pin. Integrated protection includes over-current, thermal shutdown, and undervoltage lockout. The component is housed in a compact 6-pin DFN package.

Feature Summary

• Synchronous buck architecture for enhanced efficiency
• Integrated over-current and thermal protection mechanisms
• Compact footprint suitable for space-constrained designs

Applications

• Portable consumer electronics
• Industrial control systems
• Communication equipment power supplies

Procurement Notes

Verify the specific suffix '01' against official Semtech documentation to confirm exact trim values and packaging specifications. Ensure compatibility with required input voltage ranges and thermal management requirements for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a compact, high-efficiency solution is needed for low-voltage applications requiring up to 3A. Consider the fixed switching frequency options and integrated protection features as key differentiators for system reliability and size constraints.

Part Context

This part belongs to Semtech's SC44x series of synchronous buck converters. These devices are designed for applications demanding high efficiency and small form factors. The series typically offers various current ratings and package options to suit diverse design requirements within portable and industrial markets.

Replacement Considerations

Consult official Semtech substitution guides for compatible alternatives. Verify pin-out compatibility and electrical parameter equivalence before replacing.