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L5986 from ST,ST Microelectronics

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L5986

Manufacturer: ST

2.5 A step-down switching regulator

Partnumber Manufacturer Quantity Availability
L5986 ST 1650 In Stock

Description and Introduction

2.5 A step-down switching regulator The L5986 is a step-down monolithic power switching regulator manufactured by STMicroelectronics. Below are the key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.9V to 18V  
- **Output Voltage Range:** 0.6V to VIN  
- **Output Current:** Up to 4A  
- **Switching Frequency:** Adjustable from 250kHz to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 150°C (junction temperature)  
- **Package:** PowerSO-8 (Exposed Pad)  

### **Descriptions:**  
- The L5986 is a synchronous step-down DC-DC converter with integrated power MOSFETs.  
- It operates in PWM (Pulse Width Modulation) mode for high efficiency across a wide load range.  
- The device includes internal soft-start, overcurrent protection, and thermal shutdown.  
- It is designed for applications requiring high efficiency and compact power solutions.  

### **Features:**  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **Synchronous Rectification:** Reduces power dissipation.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent Protection:** Hiccup mode for fault recovery.  
- **Thermal Shutdown:** Protects against overheating.  
- **External Clock Synchronization:** Allows synchronization with an external clock signal.  
- **Low Quiescent Current:** Improves efficiency at light loads.  

For detailed application information, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

2.5 A step-down switching regulator

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