LX1552IDM

AC DC Converters, Offline Switchers Overview

The LX1552IDM is a DC-DC switching controller IC manufactured by Microsemi Corporation, housed in an 8-SOIC package. It supports Buck and Boost topologies with a single positive output stage. The device operates within a supply voltage range of 7.6V to 30V and features synchronous rectification for improved efficiency. It includes frequency control capabilities and functions as a transistor driver. The component is rated for an operating temperature range of -40°C to 85°C (TA).

AC DC Converters, Offline Switchers Feature Summary

• Supports Buck and Boost converter topologies with synchronous rectification.
• Features frequency control characteristics for switching regulation.
• Provides a single positive output via a transistor driver stage.

AC DC Converters, Offline Switchers Applications

• Buck converter circuit designs
• Boost converter circuit designs
• General DC-DC switching power supply systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific datasheet revision and manufacturer documentation for the LX1552IDM before integration. Confirm that the 8-SOIC package dimensions and pinout align with your PCB layout requirements. Ensure the operating voltage and temperature specifications meet your system's environmental constraints. Cross-reference official Microsemi resources for any obsolescence notices or alternative part recommendations.

AC DC Converters, Offline Switchers Selection Notes

Select this component when a dedicated controller for Buck or Boost applications is required. The integrated synchronous rectification driver simplifies design compared to asynchronous alternatives. Verify compatibility with external passive components and ensure the input voltage range covers your source supply variations. Consider thermal management requirements based on the expected load current and ambient conditions.

AC DC Converters, Offline Switchers Part Context

The LX1552IDM belongs to the LX155x series of power management ICs from Microsemi. This family typically includes variants such as the LX1553, LX1554, and LX1555, which share similar functional architectures but may differ in specific features like isolation or additional outputs. These controllers are designed for efficient power conversion in industrial and commercial equipment.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Microsemi documentation for confirmed substitute part numbers. Evaluate electrical compatibility and pinout alignment if considering cross-brand alternatives. Verify that any replacement maintains the required Buck/Boost functionality and operating voltage ranges.