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MIC4744YTSE from MICREL

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MIC4744YTSE

Manufacturer: MICREL, MIC

4 MHz Dual 2A Integrated Switch Buck Regulator

Partnumber Manufacturer Quantity Availability
MIC4744YTSE MICREL, MIC 477 In Stock

Description and Introduction

4 MHz Dual 2A Integrated Switch Buck Regulator **MIC4744YTSE: Precision Power Management for Demanding Applications**  

The MIC4744YTSE is a high-performance, synchronous step-down DC-DC converter designed to deliver efficient power conversion in space-constrained and power-sensitive applications. With an input voltage range of 4.5V to 42V, this compact yet robust component is ideal for industrial automation, telecommunications, and embedded systems where stable and reliable power delivery is critical.  

Featuring a peak efficiency of up to 96%, the MIC4744YTSE minimizes power loss, making it an excellent choice for battery-operated and energy-conscious designs. Its adjustable output voltage, ranging from 0.6V to 36V, provides flexibility for diverse circuit requirements while maintaining tight regulation. The integrated high-side and low-side MOSFETs enhance thermal performance and reduce external component count, simplifying board layout and lowering overall system costs.  

Engineers will appreciate the MIC4744YTSE’s advanced control architecture, which ensures fast transient response and excellent load regulation. The device operates at a fixed 500kHz switching frequency, optimizing efficiency while minimizing output ripple. Additional features such as soft-start, overcurrent protection, and thermal shutdown enhance system reliability, safeguarding against fault conditions.  

Available in a thermally enhanced 16-pin TSSOP package, the MIC4744YTSE combines power density with thermal efficiency, making it suitable for high-density PCB designs. Its robust performance under varying load conditions ensures consistent operation in harsh environments, meeting the demands of automotive, industrial, and consumer electronics applications.  

For designers seeking a compact, high-efficiency power solution with wide input voltage compatibility, the MIC4744YTSE offers a compelling balance of performance and integration. Its precision, reliability, and adaptability make it a standout choice for next-generation power management systems.

Application Scenarios & Design Considerations

4 MHz Dual 2A Integrated Switch Buck Regulator

Alternative Part Number

  • TPS54331D --: Widely available 3A step-down converter in SOIC-8 with similar input range and current rating, a common drop-in class replacement for the MIC4744 family.
  • LM2675M-ADJ --: Simple switcher adjustable buck regulator rated around 1A in SOIC-8, pin-compatible class alternative with proven reliability.
  • AP6503SP-13 --: 3A synchronous buck converter in SO-8 with comparable voltage and current specs, suitable as a functional substitute.
  • LM2678T-ADJ --: Robust 5A adjustable buck regulator with comparable voltage range, suitable as a higher-current drop-in replacement.
  • MP1584EN --: Compact 3A step-down converter with similar electrical characteristics and low cost, good alternative for space-constrained designs.

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