Microchip Technology

MIC38HC43BN  

DC DC Switching Controllers

MIC38HC43BN Description

The MIC38HC43BN is a versatile DC-DC switching controller designed by Microchip Technology, offering a wide range of applications due to its multi-topology capabilities. This controller is designed to operate as a transistor driver with a positive output configuration and isolation capability, making it suitable for various power conversion needs. Despite being marked as obsolete, the MIC38HC43BN remains a reliable choice for engineers seeking a robust solution for their power management designs.

MIC38HC43BN Features

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Voltage - Supply (Vcc/Vdd): 7.6V to 20V, providing a wide input voltage range suitable for diverse power supply requirements.
• Synchronous Rectifier: Yes, enhancing efficiency and reducing power loss.
• Topology: Supports Buck, Boost, Flyback, and Forward Converter topologies, offering flexibility in power conversion designs.
• Control Features: Frequency Control, allowing precise regulation of the switching frequency.
• Duty Cycle (Max): 96%, enabling high efficiency and minimal power dissipation.
• Output Phases: 1, simplifying the design and reducing complexity.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring reliability in various environmental conditions.
• Mounting Type: Through Hole, suitable for applications requiring robust mechanical stability.
• Clock Sync: No, focusing on standalone operation.
• Number of Outputs: 1, ideal for single-output power conversion systems.
• Package: Bulk, facilitating easy handling and integration.
• Base Product Number: MIC38HC43
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

MIC38HC43BN Applications

The MIC38HC43BN is ideal for a variety of applications where efficient power conversion and control are essential. Its multi-topology support makes it suitable for:

• Buck Converters: Efficiently stepping down voltage levels in power supplies and battery-operated devices.
• Boost Converters: Ideal for applications requiring voltage step-up, such as LED drivers and automotive electronics.
• Flyback Converters: Suitable for isolated power supplies in telecommunications and industrial equipment.
• Forward Converters: Applicable in high-power, high-efficiency power supplies for computing and industrial applications.

Conclusion of MIC38HC43BN

The MIC38HC43BN stands out due to its versatile topology support, wide input voltage range, and high efficiency enabled by synchronous rectification. Its ability to operate with a maximum duty cycle of 96% ensures minimal power loss, making it an energy-efficient solution. The through-hole mounting type and bulk packaging further enhance its reliability and ease of integration into various power management systems. Although marked as obsolete, the MIC38HC43BN remains a valuable component for engineers seeking a reliable and flexible DC-DC switching controller.

MIC38HC43BN Documents

Download datasheets and manufacturer documentation for MIC38HC43BN

Datasheets :

MIC38HC42, 43, 44, 45      

HTML Datasheet :

MIC38HC42, 43, 44, 45      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH