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L4975A. from ST,ST Microelectronics

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L4975A.

Manufacturer: ST

5A SWITCHING REGULATOR

Partnumber Manufacturer Quantity Availability
L4975A.,L4975A ST 9 In Stock

Description and Introduction

5A SWITCHING REGULATOR The L4975A is a step-down monolithic power switching regulator manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Output Voltage:** Adjustable from 3.3V to 50V  
- **Output Current:** Up to 5A  
- **Input Voltage Range:** 15V to 55V  
- **Switching Frequency:** 200 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Package:** Multiwatt15 (through-hole)  

### **Features:**  
- **PWM Current Mode Control** for fast transient response  
- **Internal Current Limiting** with foldback  
- **Thermal Shutdown Protection**  
- **Soft-Start Function** to reduce inrush current  
- **Under-Voltage Lockout (UVLO)** for input voltage below 10V  
- **Synchronization Capability** for external clock signals  
- **Bootstrap Driver** for high-side N-channel MOSFET  

### **Applications:**  
- Industrial power supplies  
- Automotive systems  
- Telecom and networking equipment  
- Distributed power architectures  

For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

5A SWITCHING REGULATOR

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