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MIC38C45-1YM from MIC

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MIC38C45-1YM

Manufacturer: MIC, MICREL, MICREL

BiCMOS Current-Mode PWM Controllers

Partnumber Manufacturer Quantity Availability
MIC38C45-1YM,MIC38C451YM MIC, MICREL, MICREL 1123 In Stock

Description and Introduction

BiCMOS Current-Mode PWM Controllers # **Introducing the MIC38C45-1YM: A High-Performance Current-Mode PWM Controller**  

For engineers and designers seeking precision and reliability in power supply applications, the **MIC38C45-1YM** stands out as a high-performance current-mode PWM controller. This advanced IC is designed to optimize efficiency and stability in switch-mode power supplies (SMPS), making it an ideal choice for industrial, telecommunications, and computing systems.  

## **Key Features**  

The MIC38C45-1YM integrates cutting-edge technology to deliver superior performance:  

- **Current-Mode Control**: Ensures fast transient response and simplified loop compensation, enhancing system stability.  
- **Wide Operating Frequency Range (up to 1MHz)**: Supports high-frequency designs for compact and efficient power solutions.  
- **Programmable Soft-Start**: Reduces inrush current during startup, protecting sensitive components.  
- **Under-Voltage Lockout (UVLO)**: Safeguards the system by preventing operation at insufficient supply voltages.  
- **Low Startup Current (30µA typical)**: Minimizes power consumption during initial operation.  

## **Applications**  

The MIC38C45-1YM is highly versatile, making it suitable for a broad range of applications, including:  

- AC/DC and DC/DC converters  
- Telecom and server power supplies  
- Industrial power management systems  
- LED drivers and battery chargers  

## **Why Choose the MIC38C45-1YM?**  

Engineers will appreciate its robust design, which combines high efficiency with precise control. The device’s ability to operate at high frequencies allows for smaller magnetics and capacitors, reducing overall system size and cost. Additionally, its built-in protection features enhance reliability in demanding environments.  

For designers looking to elevate their power supply performance, the **MIC38C45-1YM** offers a compelling combination of flexibility, efficiency, and durability. Its advanced features make it a dependable solution for modern power conversion challenges.  

Explore the possibilities with this high-performance PWM controller and optimize your next power design.

Application Scenarios & Design Considerations

BiCMOS Current-Mode PWM Controllers

Alternative Part Number

  • UC3845BN --: Industry-standard current-mode PWM controller with the same 50% max duty cycle and UVLO thresholds as the MIC38C45, widely available and pin-compatible in DIP-8.
  • TL3845P --: Direct functional equivalent current-mode PWM controller with 50% duty cycle limit, matching the MIC38C45-1YM specifications and offering a different naming series for easy distinction.
  • SG3845N --: Current-mode PWM controller with equivalent 50% duty cycle and UVLO characteristics, suitable drop-in replacement from a different product family.

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