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MIC38C44BN from MICREL

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MIC38C44BN

Manufacturer: MICREL, MIC

BiCMOS Current-Mode PWM Controllers

Partnumber Manufacturer Quantity Availability
MIC38C44BN MICREL, MIC 341 In Stock

Description and Introduction

BiCMOS Current-Mode PWM Controllers **Enhance Your Power Management with the MIC38C44BN PWM Controller**  

The MIC38C44BN is a high-performance pulse-width modulation (PWM) controller designed to optimize power supply efficiency and reliability in a wide range of applications. Engineered for precision and versatility, this advanced IC offers robust features that make it an ideal choice for switch-mode power supplies (SMPS), DC-DC converters, and industrial power systems.  

With a fixed-frequency current-mode architecture, the MIC38C44BN ensures stable operation while minimizing output ripple. Its integrated high-speed oscillator supports frequencies up to 1MHz, allowing for compact and efficient power supply designs. The device also incorporates under-voltage lockout (UVLO) protection, safeguarding against low input voltage conditions, and includes a programmable soft-start function to reduce inrush current during startup.  

One of the standout features of the MIC38C44BN is its adjustable dead-time control, which enhances efficiency by optimizing switching transitions. Additionally, its current-sensing input provides accurate peak current limiting, improving system reliability in demanding environments. The controller operates over a wide input voltage range, making it suitable for both low-voltage and high-voltage applications.  

Designed for ease of integration, the MIC38C44BN is available in an industry-standard 8-pin DIP package, ensuring compatibility with existing layouts. Its robust thermal performance and built-in protection mechanisms further enhance durability, making it a dependable solution for mission-critical power management tasks.  

Whether used in telecommunications, industrial automation, or consumer electronics, the MIC38C44BN delivers consistent performance, efficiency, and control. Engineers seeking a reliable PWM controller with advanced features will find this component to be a valuable addition to their power supply designs.

Application Scenarios & Design Considerations

BiCMOS Current-Mode PWM Controllers

Alternative Part Number

  • UC3844N --: Industry-standard current-mode PWM controller in the same family and pinout; widely available and directly interchangeable in most designs.
  • SG3844N --: Equivalent current-mode PWM controller with matching functionality and DIP-8 package, suitable as a drop-in replacement.
  • TL3844P --: Pin-compatible current-mode PWM controller offering similar electrical characteristics and a reliable second source.

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