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MIC38C42ABM from MICREL

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MIC38C42ABM

Manufacturer: MICREL, MICREL

BiCMOS Current-Mode PWM Controllers

Partnumber Manufacturer Quantity Availability
MIC38C42ABM MICREL, MICREL 17039 In Stock

Description and Introduction

BiCMOS Current-Mode PWM Controllers # **Introducing the MIC38C42ABM: A High-Performance Current-Mode PWM Controller**  

The **MIC38C42ABM** is a versatile and efficient current-mode pulse-width modulation (PWM) controller designed for high-performance power supply applications. Engineered to deliver precise control and reliability, this component is ideal for switch-mode power supplies (SMPS), DC-DC converters, and offline power systems.  

## **Key Features and Benefits**  

### **1. Advanced Current-Mode Control**  
The MIC38C42ABM employs current-mode control, ensuring superior transient response and simplified loop compensation. This feature enhances stability and efficiency, making it well-suited for demanding power conversion applications.  

### **2. Wide Operating Range**  
With an input voltage range of up to **30V**, the MIC38C42ABM accommodates a broad spectrum of power supply designs. Its adjustable switching frequency allows engineers to optimize performance based on specific application requirements.  

### **3. Robust Protection Mechanisms**  
The controller integrates multiple protection features, including **cycle-by-cycle current limiting, undervoltage lockout (UVLO), and thermal shutdown**, safeguarding against faults and enhancing system durability.  

### **4. Low Standby Power Consumption**  
Designed for energy-efficient applications, the MIC38C42ABM minimizes power loss in standby mode, making it an excellent choice for modern, eco-conscious designs.  

### **5. Compact and Reliable**  
Housed in an **8-pin SOIC package**, the MIC38C42ABM offers a compact footprint without compromising performance. Its robust design ensures long-term reliability in harsh operating conditions.  

## **Applications**  
The MIC38C42ABM is well-suited for a variety of power management applications, including:  
- **AC-DC power supplies**  
- **DC-DC converters**  
- **Battery chargers**  
- **LED drivers**  
- **Industrial and automotive power systems**  

## **Conclusion**  
The **MIC38C42ABM** stands out as a high-performance PWM controller, combining precision, efficiency, and robust protection in a compact form factor. Whether for industrial, automotive, or consumer electronics, this component delivers the reliability and performance needed for next-generation power solutions.  

For engineers seeking a dependable current-mode PWM controller, the **MIC38C42ABM** is a compelling choice that meets the demands of modern power supply designs.

Application Scenarios & Design Considerations

BiCMOS Current-Mode PWM Controllers

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller in the same functional class as the MIC38C42, widely available and pin-compatible in most designs.
  • SG3842N --: Equivalent current-mode PWM controller with similar UVLO and drive characteristics, suitable drop-in replacement for many MIC38C42 applications.
  • TL3842P --: Low-cost current-mode PWM controller offering comparable performance and pinout, good second-source option when exact MICREL part is unavailable.
  • UC3842AM --: Industry-standard current-mode PWM controller in the same functional class as the MIC38C42A, widely available and pin-compatible in SOIC-8.
  • SG3842M --: Equivalent current-mode PWM controller with similar UVLO and drive characteristics, suitable drop-in replacement in most designs.

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