Microchip Technology

MIC38HC44-1BN  

AC DC Converters, Offline Switches

MIC38HC44-1BN Description

The MIC38HC44-1BN is a versatile offline switcher IC designed for a variety of power management applications. Manufactured by Microchip Technology, this device is classified under the Power Management (PMIC) category and is available in a Through Hole mounting type. Despite its current status as Obsolete, the MIC38HC44-1BN remains a notable option for specific power conversion needs.

This IC supports multiple topologies, including Boost, Buck, Flyback, and Forward, making it suitable for a wide range of applications. It features an internal switch, which simplifies the design process and reduces the number of external components required. The device operates with a switching frequency of 500kHz, ensuring efficient power conversion and minimal electromagnetic interference.

The MIC38HC44-1BN is designed to work within a supply voltage range of 9V to 20V, providing flexibility in power source selection. It also includes a start-up voltage of 14.5V, ensuring reliable operation under varying input conditions. The device offers a duty cycle of 50%, which is ideal for maintaining stable output power.

MIC38HC44-1BN Features

• Multiple Topologies: Supports Boost, Buck, Flyback, and Forward configurations, making it highly adaptable for various power conversion needs.
• Internal Switch: Reduces the number of external components required, simplifying the design and improving reliability.
• Frequency Control: Operates at a switching frequency of 500kHz, ensuring efficient power conversion with minimal electromagnetic interference.
• Wide Voltage Range: Functions within a supply voltage range of 9V to 20V, offering flexibility in power source selection.
• Start-Up Voltage: Ensures reliable operation with a start-up voltage of 14.5V.
• Output Isolation: Provides isolated output, enhancing safety and performance in applications requiring galvanic isolation.
• Compliance: Complies with REACH regulations, ensuring it is unaffected by current environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for storage and handling without additional moisture protection.

MIC38HC44-1BN Applications

The MIC38HC44-1BN is ideal for applications requiring efficient power conversion and reliable performance. Its multiple topology support and internal switch make it suitable for:

• Power Supplies: Ideal for offline power supplies in consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Efficient power conversion for AC-DC adapters and chargers.
• Telecommunications: Reliable power management in telecommunication infrastructure.
• Automotive: Suitable for automotive applications requiring isolated power conversion.
• Industrial Controls: Effective power management in various industrial control systems.

Conclusion of MIC38HC44-1BN

The MIC38HC44-1BN, despite being obsolete, remains a valuable option for specific power management applications. Its ability to support multiple topologies, combined with internal switch functionality and efficient frequency control, makes it a reliable choice for designers seeking a versatile power conversion solution. The device's compliance with REACH regulations and its moisture sensitivity level of MSL 1 further enhance its suitability for a wide range of industrial and consumer applications.

MIC38HC44-1BN Documents

Download datasheets and manufacturer documentation for MIC38HC44-1BN

Datasheets :

MIC38HC42, 43, 44, 45      

HTML Datasheet :

MIC38HC42, 43, 44, 45      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH