Microchip Technology

MIC38HC42YN  

AC DC Converters, Offline Switches

MIC38HC42YN Description

The MIC38HC42YN is a versatile offline switch IC designed for a wide range of AC-DC converter applications. Manufactured by Microchip Technology, this device offers multiple topologies including Boost, Buck, Flyback, and Forward, making it suitable for various power conversion needs. The IC is housed in a through-hole package, specifically an 8-DIP tube, ensuring robust mechanical stability and ease of integration into through-hole based designs.

With an active product status, the MIC38HC42YN is a reliable choice for engineers seeking a high-performance offline switch. It features an internal switch, which simplifies design complexity and reduces the overall component count. The device operates within a supply voltage range of 9V to 20V, providing flexibility in input voltage requirements. Additionally, it supports a high duty cycle of up to 96%, enabling efficient power conversion even under heavy load conditions.

The MIC38HC42YN boasts a switching frequency of 500kHz, allowing for compact designs with minimal external components. This high-frequency operation also contributes to improved transient response and reduced output voltage ripple. The device is designed to start up at a voltage as low as 14.5V, ensuring reliable operation even with fluctuating input voltages.

Compliance with industry standards is a key aspect of the MIC38HC42YN. It is classified under ECCN EAR99, indicating its general availability without export restrictions. The device is also REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety regulations. With a moisture sensitivity level (MSL) of 1 (unlimited), the IC is suitable for a wide range of manufacturing environments without the need for special handling precautions.

MIC38HC42YN Features

• Multiple Topologies: Supports Boost, Buck, Flyback, and Forward configurations, offering flexibility for various power conversion designs.
• Internal Switch: Reduces external component count and simplifies circuit design.
• High Switching Frequency: Operates at 500kHz, enabling compact designs with minimal external components.
• Wide Supply Voltage Range: Functions efficiently within a 9V to 20V input voltage range.
• High Duty Cycle: Supports up to 96% duty cycle, ensuring high efficiency even under heavy load conditions.
• Low Start-Up Voltage: Capable of starting up at 14.5V, providing reliable operation with fluctuating input voltages.
• Frequency Control: Offers precise control over switching frequency for optimized performance.
• Compliance and Safety: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (unlimited), suitable for a wide range of manufacturing environments.

MIC38HC42YN Applications

The MIC38HC42YN is ideal for a variety of applications requiring efficient power conversion and reliable performance. Its multiple topologies and wide operating voltage range make it suitable for:

• Consumer Electronics: Power supplies for devices such as TVs, monitors, and home appliances.
• Industrial Equipment: Power conversion in industrial control systems, automation equipment, and machinery.
• Telecommunications: Power supplies for networking equipment, routers, and switches.
• Automotive: Power conversion in automotive electronics, infotainment systems, and onboard chargers.
• Medical Devices: Power supplies for medical equipment requiring high reliability and efficiency.

Conclusion of MIC38HC42YN

The MIC38HC42YN stands out as a robust and versatile offline switch IC, offering a comprehensive set of features tailored for efficient power conversion. Its ability to support multiple topologies, combined with a high switching frequency and wide supply voltage range, makes it an excellent choice for a variety of applications. The inclusion of an internal switch and high duty cycle further enhances its performance, ensuring high efficiency and reliability. Compliance with industry standards and environmental regulations ensures that the MIC38HC42YN is a future-proof solution for modern power conversion needs. Whether for consumer electronics, industrial equipment, telecommunications, automotive, or medical devices, the MIC38HC42YN delivers outstanding performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.

MIC38HC42YN Documents

Download datasheets and manufacturer documentation for MIC38HC42YN

PCN Assembly/Origin :

Final Test Site 29/May/2023      

Datasheets :

MIC38HC42, 43, 44, 45      

PCN Packaging :

Packing Changes 10/Oct/2016      

HTML Datasheet :

MIC38HC42, 43, 44, 45      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH