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LM2651MTC-3.3 from NS,National Semiconductor

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LM2651MTC-3.3

Manufacturer: NS

1.5A High Efficiency Switching Regulator

Partnumber Manufacturer Quantity Availability
LM2651MTC-3.3,LM2651MTC33 NS 1268 In Stock

Description and Introduction

1.5A High Efficiency Switching Regulator The LM2651MTC-3.3 is a switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 14V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 300kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Package:** TSSOP-16  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
- The LM2651MTC-3.3 is a high-efficiency, step-down (buck) switching regulator.  
- It is designed for applications requiring a regulated 3.3V output from a higher input voltage source.  
- The device integrates a power MOSFET switch, reducing external component count.  
- It includes features like soft-start, thermal shutdown, and under-voltage lockout (UVLO) for protection.  

### **Features:**
- **Adjustable Switching Frequency:** Allows optimization for efficiency or component size.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

1.5A High Efficiency Switching Regulator

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