Microchip Technology

MIC2172BN  

DC Switching Voltage Regulators

MIC2172BN Description

The MIC2172BN is a versatile DC switching voltage regulator designed by Microchip Technology, offering adjustable output voltage and a wide input voltage range. This regulator supports multiple topologies, including Boost, Cuk, Flyback, and Forward Converter, making it suitable for a variety of power conversion applications. The MIC2172BN features a maximum input voltage of 40V and a minimum input voltage of 3V, with an output voltage range from 1.24V to 65V. It provides a maximum output current of 1.25A through its switch, ensuring robust power delivery. The regulator is capable of both positive and negative output configurations and can achieve isolation, making it highly adaptable for different circuit requirements. Despite its obsolescence, the MIC2172BN remains a reliable choice for applications requiring efficient power conversion with minimal component count.

MIC2172BN Features

• Adjustable Output Voltage: The MIC2172BN offers an adjustable output voltage range from 1.24V to 65V, providing flexibility to meet various power supply needs.
• Wide Input Voltage Range: With an input voltage range of 3V to 40V, the regulator can operate across a broad spectrum of input conditions, enhancing its applicability in diverse environments.
• High Output Current Capability: The regulator supports a maximum output current of 1.25A through its switch, ensuring reliable power delivery for demanding applications.
• Multiple Topologies: Supporting Boost, Cuk, Flyback, and Forward Converter topologies, the MIC2172BN can be configured to optimize performance in different power conversion scenarios.
• Positive or Negative Output Configuration: The regulator can be configured for either positive or negative output voltage, offering versatility in circuit design.
• Isolation Capable: The MIC2172BN is capable of achieving isolation, which is crucial for applications requiring galvanic separation between input and output.
• 100kHz Switching Frequency: The regulator operates at a switching frequency of 100kHz, enabling efficient power conversion with minimal size and weight.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into various PCB designs.
• Bulk Packaging: Available in bulk packaging, the MIC2172BN is suitable for high-volume production and inventory management.

MIC2172BN Applications

The MIC2172BN is ideal for applications requiring efficient power conversion with adjustable output voltage and multiple topology options. Some specific use cases include:

• Power Supplies: Suitable for designing power supplies that need to operate across a wide input voltage range and provide adjustable output voltage.
• Telecommunications: Ideal for telecom equipment where isolation and multiple output configurations are required.
• Industrial Control Systems: Can be used in industrial applications where robust power delivery and versatile topology options are necessary.
• Battery Chargers: Effective in battery charging applications where adjustable output voltage and high efficiency are critical.
• Automotive Electronics: Suitable for automotive applications requiring high reliability and wide operating voltage range.

Conclusion of MIC2172BN

The MIC2172BN is a highly versatile DC switching voltage regulator that offers adjustable output voltage, multiple topology options, and a wide input voltage range. Despite being marked as obsolete, its robust design and flexibility make it a reliable choice for applications requiring efficient power conversion. The regulator's ability to support both positive and negative output configurations, along with its isolation capability, further enhances its adaptability in various circuit designs. For applications needing a reliable, adjustable voltage regulator with multiple topology options, the MIC2172BN remains a solid option.

MIC2172BN Documents

Download datasheets and manufacturer documentation for MIC2172BN

Datasheets :

MIC2172, MIC3172      

Design Resources :

MIC2172 Development Tool Selector      

HTML Datasheet :

MIC2172, MIC3172      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH