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L4971. from ST,ST Microelectronics

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L4971.

Manufacturer: ST

1.5A STEP DOWN SWITCHING REGULATOR

Partnumber Manufacturer Quantity Availability
L4971.,L4971 ST 450 In Stock

Description and Introduction

1.5A STEP DOWN SWITCHING REGULATOR The part **L4971** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Step-down switching regulator (buck converter)  
- **Output Voltage:** Adjustable from 3.3V to 50V  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** 8V to 55V  
- **Switching Frequency:** 200 kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220 (5 pins)  

### **Descriptions and Features:**  
- **Voltage Regulator:** Provides a stable DC output voltage from a higher input voltage.  
- **Current Limiting:** Built-in protection against overcurrent conditions.  
- **Thermal Shutdown:** Prevents damage due to excessive temperature.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation only when the input voltage is sufficient.  
- **Applications:** Used in power supplies, automotive systems, industrial controls, and battery-powered devices.  

This information is based on the manufacturer's datasheet for the **L4971** by STMicroelectronics.

Application Scenarios & Design Considerations

1.5A STEP DOWN SWITCHING REGULATOR

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