LT1375HVIS8#PBF

Overview

The LT1375HVIS8#PBF is a high-voltage, monolithic buck-mode switching regulator manufactured by Analog Devices Inc. It integrates a 1.5A power switch with all necessary oscillator, control, and logic circuitry on a single die. Operating at a fixed 500kHz switching frequency, the device supports an input voltage range from 5V to 25V. It provides a fixed 5V output capable of delivering up to 1.2A of continuous current. The component utilizes an 8-lead SOIC package and is rated for operation within a junction temperature range of -40°C to +125°C.

Feature Summary

• Integrates a 1.5A power switch and complete control logic for simplified design
• High 500kHz switching frequency enables significant reduction in external component size
• Supports wide 5V to 25V input voltage range for versatile power applications
• Includes shutdown capability for enhanced system power management

Applications

• Point-of-load regulation in industrial equipment
• Power supply stages for battery-operated systems
• General-purpose DC-DC conversion in embedded electronics

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and electrical specifications. Ensure the selected variant matches the required thermal performance and package constraints for the target application environment before finalizing procurement decisions.

Selection Notes

Select this component when a compact solution is required for stepping down voltages between 5V and 25V to a stable 5V rail. The integrated 1.5A switch handles moderate load currents without requiring external passives, while the high switching frequency minimizes the footprint of inductors and capacitors compared to lower-frequency alternatives.

Part Context

This part belongs to the LT1375 family of high-voltage step-down switching regulators. The series is characterized by its ability to operate directly from higher voltage rails while providing regulated lower voltage outputs. The HV designation indicates optimized performance for these specific input voltage ranges within the standard SOIC-8 form factor.

Replacement Considerations

LT1375IS8#PBF serves as a parameter-equivalent alternative within the same product family.