LX1552CDM

AC DC Converters, Offline Switchers Overview

The LX1552CDM is an offline switch integrated circuit from the LX155X family, designed for current mode control in power conversion applications. It supports multiple topologies including boost, buck, flyback, and forward configurations. The device operates with a switching frequency of 500kHz and features ultra-low start-up current, specified as a maximum of 250µA, to enhance energy efficiency. It is housed in an 8-SOIC package.

AC DC Converters, Offline Switchers Feature Summary

• Supports versatile converter topologies including boost, buck, flyback, and forward
• Utilizes current mode control architecture for precise regulation
• Features ultra-low start-up current capability to improve system efficiency

AC DC Converters, Offline Switchers Applications

• Offline power supply designs
• Flyback converter circuits
• Forward converter implementations
• Boost and buck topology applications

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm package integrity and pin alignment prior to integration. Review manufacturer documentation for any recent design changes or obsolescence notices. Ensure handling procedures comply with electrostatic discharge standards during assembly and storage processes.

AC DC Converters, Offline Switchers Selection Notes

Evaluate suitability based on required switching frequency and topology support. Consider the low start-up current requirement for standby power optimization. Assess thermal management needs relative to the 8-SOIC package limitations. Compare against alternative LX155X variants if specific pinout or packaging differences are necessary for the target design.

AC DC Converters, Offline Switchers Part Context

The LX1552CDM belongs to the LX155X series of current mode control ICs developed by Microsemi Corporation. This family targets high-efficiency offline converter applications by minimizing quiescent power consumption. The component integrates essential control logic for various AC-DC and DC-DC conversion schemes within a compact surface-mount footprint.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Microsemi documentation for confirmed substitute part numbers. Verify compatibility regarding pin configuration, electrical specifications, and thermal characteristics before substitution.