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MIC2194BM from MICREL

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MIC2194BM

Manufacturer: MICREL, MICREL

400kHz SO-8 Buck Control IC

Partnumber Manufacturer Quantity Availability
MIC2194BM MICREL, MICREL 2797 In Stock

Description and Introduction

400kHz SO-8 Buck Control IC **Introducing the MIC2194BM: A High-Performance Synchronous Buck Controller**  

The MIC2194BM is a versatile synchronous buck controller designed to deliver high-efficiency power conversion in a wide range of applications. Engineered for precision and reliability, this advanced IC integrates essential features to optimize performance while simplifying design complexity.  

With an input voltage range of 4.5V to 36V, the MIC2194BM is well-suited for industrial, telecommunications, and computing systems requiring stable and efficient power delivery. Its synchronous rectification architecture minimizes power losses, achieving efficiencies of up to 95%, making it an ideal choice for energy-sensitive applications.  

The controller operates at a fixed 300kHz switching frequency, ensuring consistent performance while reducing output ripple. Its voltage-mode control loop provides excellent transient response, maintaining stable output under varying load conditions. Additionally, the MIC2194BM includes adjustable soft-start functionality, preventing excessive inrush current during startup and enhancing system reliability.  

Protection features such as undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown safeguard both the controller and downstream components from potential faults. The compact 10-pin MSOP package ensures space-efficient integration into modern PCB designs without compromising thermal performance.  

Whether used in point-of-load regulation, distributed power systems, or battery-powered devices, the MIC2194BM offers a robust solution for designers seeking a balance of efficiency, precision, and reliability. Its combination of high performance and ease of implementation makes it a compelling choice for next-generation power management solutions.  

For engineers looking to enhance their power supply designs, the MIC2194BM stands out as a dependable and efficient synchronous buck controller, ready to meet the demands of today’s high-performance electronic systems.

Application Scenarios & Design Considerations

400kHz SO-8 Buck Control IC

Alternative Part Number

  • LM3478MM --: Low-side N-channel MOSFET controller in an MSOP-8 package, functionally similar to the MIC2194 for boost and flyback topologies.
  • LTC3872ETS8 --: No-sense-resistor current-mode boost controller in a small package, offering comparable functionality and a different series naming.
  • ISL6840IBZ --: Current-mode PWM controller with similar drive and supply range, usable as a cross-series substitute in many boost converter designs.
  • LT1932ES6 --: Compact boost/step-up controller with similar switching control role and small package, suitable when board space and supply range are compatible.
  • MC34063ACD --: Classic general-purpose DC-DC switching regulator controller covering boost and inverting topologies, easy to source and often used as a functional substitute in less critical designs.

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