MIC38C42-1YM-TR

AC DC Converters, Offline Switchers Overview

The MIC38C42-1YM-TR is a monolithic SMPS controller from Microchip Technology, designed for versatile power conversion topologies including Boost, Buck, Flyback, and Forward configurations. It operates with a fixed switching frequency of 500 kHz and supports a maximum duty cycle of 96%. The device features a single output capable of delivering up to 500 mA at a nominal voltage of 5 V. Housed in an SOIC-14 surface-mount package, it functions within an industrial temperature range of -40°C to +85°C. The component is supplied in tape-and-reel packaging for automated assembly processes.

AC DC Converters, Offline Switchers Feature Summary

• Supports multiple DC-DC converter topologies including boost, buck, flyback, and forward architectures.
• Features high-duty-cycle capability up to 96% for wide input-to-output voltage ratio applications.
• Integrates a transistor driver stage for direct control of external power switches.

AC DC Converters, Offline Switchers Applications

• Industrial power supply systems requiring isolated or non-isolated regulation
• Telecommunications equipment utilizing flyback or forward converter stages
• Embedded systems needing compact boost or buck conversion solutions

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TR' confirms tape-and-reel packaging rather than tube distribution. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure the SOIC-14 footprint matches the target PCB layout dimensions. Validate that the 500 kHz switching frequency aligns with electromagnetic interference requirements of the final system design.

AC DC Converters, Offline Switchers Selection Notes

Select this controller when a single IC must support multiple topology variations without changing core components. The 96% duty cycle allows operation with significant input voltage drops compared to standard 50% limit controllers. Consider the SOIC-14 package size constraints against thermal dissipation needs. Verify compatibility with external MOSFET gate drive requirements given the integrated driver specifications.

AC DC Converters, Offline Switchers Part Context

This component belongs to the MIC38C42 series of monolithic switch-mode power supply controllers. It shares functional similarities with other members like the MIC38C42YN but differs in package type and mounting style. The series is categorized under PMIC DC-DC switching controllers, targeting general-purpose power management applications across various industries.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Evaluate alternatives based on pin compatibility and electrical parameter matching if direct substitutes are required.