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L7980 from ST,ST Microelectronics

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L7980

Manufacturer: ST

2 A step-down switching regulator

Partnumber Manufacturer Quantity Availability
L7980 ST 155 In Stock

Description and Introduction

2 A step-down switching regulator The L7980 is a step-down switching regulator manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 500kHz (typ.)  
- **Efficiency:** Up to 93%  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Package:** PowerSO-8, HSOP-8  

### **Descriptions:**  
- The L7980 is a synchronous step-down DC-DC converter with integrated power switches.  
- It provides high efficiency and low standby current, making it suitable for automotive, industrial, and consumer applications.  
- Features include internal compensation, soft-start, and thermal shutdown for protection.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power dissipation.  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **PWM Mode Operation:** Ensures stable performance under varying loads.  
- **Protection Features:** Overcurrent, overtemperature, and undervoltage lockout (UVLO).  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  
- **Internal Compensation:** Simplifies external component requirements.  

This information is sourced from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

2 A step-down switching regulator

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