A8447SLJTR-T

Overview

The A8447SLJTR-T is a synchronous buck switching regulator manufactured by Allegro MicroSystems. It operates with an input voltage range of 8 V to 50 V and provides an adjustable output voltage from 0.8 V to 24 V. The device delivers a maximum output current of 3 A through a single output channel. It is housed in an 8-SOIC package with an exposed pad, suitable for surface mount installation. The component functions within a temperature range of -20 °C to +85 °C.

Feature Summary

• Integrated synchronous rectification for efficient DC-DC conversion
• Wide input voltage capability supporting industrial power rails
• Adjustable output voltage via external resistor network
• Compact surface-mount packaging with thermal pad

Applications

• Industrial point-of-load regulation
• General purpose power supply systems
• Embedded control board power distribution

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for obsolescence notices or product change notifications that may affect long-term availability. Ensure the supplier source is authorized to guarantee component authenticity.

Selection Notes

Select this component when a 3 A buck converter is required with a wide input voltage range up to 50 V. The adjustable output allows flexibility for various logic and analog rail requirements. Consider the SOIC-8 package constraints for thermal management and PCB layout space. Verify that the operating temperature range meets the environmental conditions of the target application.

Part Context

This part belongs to the A8447 series of high-voltage synchronous buck regulators. It is designed for applications requiring robust performance from higher voltage inputs. The series typically features integrated power switches to minimize external component count. It serves as a solution for converting higher bus voltages to lower system voltages efficiently.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.