Microchip Technology MIC38C44-1BM-TR

MIC38C44-1BM-TR - BiCMOS Current-Mode PWM Controller IC

The MIC38C44-1BM-TR from Microchip Technology is a high-performance BiCMOS current-mode PWM controller designed for isolated power supply applications. This versatile switching regulator IC supports multiple topologies including boost, buck, flyback, and forward converter configurations, making it ideal for aerospace, automotive, industrial, medical, and telecommunications applications requiring long-lifecycle components with full traceability and RoHS/REACH compliance.

Key Features & Benefits

• High-Frequency Operation: 500kHz switching frequency enables compact transformer designs and reduced component size for space-constrained applications
• Wide Input Voltage Range: 9V to 20V supply voltage with 14.5V start-up threshold for flexible power architecture and reliable operation
• Isolated Output Design: Built-in isolation support for safety-critical applications in medical, industrial, and telecom systems
• Precision Frequency Control: Advanced switching control for optimized efficiency, reduced EMI, and superior power conversion performance
• Extended Temperature Range: -40°C to 150°C junction temperature rating for harsh environment reliability in automotive and industrial applications
• Surface Mount Package: 14-SOIC (3.90mm width) for automated assembly, space-efficient PCB layouts, and high-volume manufacturing
• Tape & Reel Packaging: TR packaging for automated pick-and-place processes and streamlined production workflows
• 50% Maximum Duty Cycle: Optimized for efficient power conversion in multiple converter topologies

Target Applications

This PWM controller IC is engineered for AC-DC and DC-DC power conversion in:

• Industrial Controls: Motor drives, PLCs, automation systems, and process control equipment
• Telecommunications: Base stations, network infrastructure, and communication equipment power supplies
• Medical Devices: Diagnostic equipment, patient monitoring systems, and therapeutic devices requiring isolated power
• Automotive Electronics: In-vehicle power management, infotainment systems, and ADAS applications
• Aerospace Systems: Avionics, flight control systems, and mission-critical power conversion

Quality Assurance & Compliance

Authorized Distribution: As an authorized Microchip Technology distributor, we guarantee 100% authentic components with full manufacturer traceability and comprehensive documentation.

Regulatory Compliance: This component is supplied with complete RoHS and REACH compliance certification, meeting international environmental and safety standards for global deployment.

Long Lifecycle Support: Designed for design-in confidence with extended product availability commitments, ideal for applications requiring multi-year supply chain stability in aerospace, automotive, industrial, medical, and telecommunications sectors.

Technical Support: Access to manufacturer datasheets, application notes, reference designs, and technical support resources for streamlined integration and optimized performance.

• MIC38C44-1BM-TR.pdf