MIC38C42-1BM TR

AC DC Converters, Offline Switchers Overview

The MIC38C42-1BM TR is a fixed-frequency, high-performance current-mode PWM controller from Microchip Technology. It supports multiple power converter topologies including Boost, Buck, Flyback, and Forward. The device operates at a switching frequency of 500 kHz with a maximum duty cycle of 96%. It features an isolated output and functions within a junction temperature range of -40°C to +150°C. Packaged in a 14-SOIC format, it is designed for offline AC/DC conversion applications.

AC DC Converters, Offline Switchers Feature Summary

• Supports versatile power conversion topologies including boost, buck, flyback, and forward configurations.
• Utilizes current-mode PWM control architecture for stable performance.
• Designed for offline AC/DC converter applications with isolated outputs.

AC DC Converters, Offline Switchers Applications

• Offline AC/DC power supplies
• Industrial power management systems
• IoT application power solutions

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging when sourcing. Confirm the manufacturer as Microchip Technology or its acquired entities like Micrel. Check datasheet revisions for pin compatibility notes relative to legacy 384x series devices. Ensure the 14-SOIC package matches design requirements.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a single IC to support multiple topology options. Consider the 500 kHz fixed frequency for balancing efficiency and component size. Verify thermal management capabilities given the wide operating temperature range up to 150°C junction temperature.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MIC38C4x series of monolithic SMPS controllers. These devices are known for being pin-compatible with older industry-standard controllers while offering improved BiCMOS performance. The series targets general-purpose power supply designs across various industrial sectors.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Microchip resources for cross-reference data.