Microchip Technology

MIC38C42-1BN  

AC DC Converters, Offline Switches

MIC38C42-1BN Description

The MIC38C42-1BN is an offline switch-mode power supply controller designed for a variety of power management applications. Manufactured by Microchip Technology, this device is classified under the Power Management Integrated Circuit (PMIC) category and is housed in a 14-pin DIP package. Despite its obsolete status, the MIC38C42-1BN remains a robust solution for applications requiring efficient power conversion.

This controller supports multiple topologies, including Boost, Buck, Flyback, and Forward, making it versatile for various power management needs. It features an internal switch, which simplifies circuit design and reduces component count. The device operates with a switching frequency of 500kHz, ensuring high efficiency and reduced electromagnetic interference (EMI) in compact designs.

The MIC38C42-1BN is designed for through-hole mounting, which is ideal for applications where surface-mount technology is not feasible. It has a duty cycle of up to 96%, enabling high efficiency and minimal power loss. The device operates within a supply voltage range of 9V to 20V, making it suitable for a wide range of input voltage conditions.

MIC38C42-1BN Features

• Multiple Topologies: Supports Boost, Buck, Flyback, and Forward topologies, providing flexibility for various power conversion needs.
• Internal Switch: Reduces external component count and simplifies circuit design.
• Frequency Control: Operates at a switching frequency of 500kHz, ensuring high efficiency and reduced EMI.
• High Duty Cycle: Achieves up to 96% duty cycle, minimizing power loss and maximizing efficiency.
• Wide Input Voltage Range: Functions within a supply voltage range of 9V to 20V, accommodating diverse input conditions.
• Through-Hole Mounting: Suitable for applications where through-hole mounting is preferred over surface-mount technology.
• Output Isolation: Provides isolated output, enhancing safety and reliability in power management systems.
• Compliance and Safety: Classified under ECCN EAR99 and REACH Unaffected, ensuring compliance with international regulations.

MIC38C42-1BN Applications

The MIC38C42-1BN is ideal for applications requiring efficient power conversion and management. Its versatility in supporting multiple topologies makes it suitable for:

• Adaptive Power Supplies: Where the ability to switch between different topologies is necessary.
• Industrial Control Systems: Requiring robust and reliable power management solutions.
• Telecommunications Equipment: Benefiting from high efficiency and minimal power loss.
• Medical Devices: Where isolated output and compliance with safety regulations are critical.

Conclusion of MIC38C42-1BN

The MIC38C42-1BN, despite being obsolete, remains a valuable component in the power management domain. Its ability to support multiple topologies, combined with its internal switch and high efficiency, makes it a versatile and reliable choice for various applications. The device's compliance with international regulations and safety standards further enhances its appeal. While newer alternatives may offer additional features, the MIC38C42-1BN continues to provide a robust solution for power management needs.

MIC38C42-1BN Documents

Download datasheets and manufacturer documentation for MIC38C42-1BN

Datasheets :

MIC38C42, 43, 44, 45      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH