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LM2651MTC-3.3/NOPB from NS,National Semiconductor

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LM2651MTC-3.3/NOPB

Manufacturer: NS

1.5A High Efficiency Switching Regulator 16-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM2651MTC-3.3/NOPB,LM2651MTC33NOPB NS 65 In Stock

Description and Introduction

1.5A High Efficiency Switching Regulator 16-TSSOP -40 to 125 The LM2651MTC-3.3/NOPB is a high-efficiency, step-down DC-DC switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 14V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TSSOP-16 (Thermally Enhanced)  
- **Control Method:** PWM (Pulse Width Modulation)  
- **Protection Features:** Overcurrent, thermal shutdown, and undervoltage lockout  

### **Descriptions:**  
The LM2651MTC-3.3/NOPB is a synchronous buck regulator designed for high efficiency and low power dissipation. It integrates power MOSFETs, reducing external component count. It is suitable for battery-powered and industrial applications requiring stable 3.3V output.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency  
- **Low Dropout Operation:** Extends battery life  
- **Soft-Start:** Reduces inrush current  
- **Adjustable Switching Frequency (via external resistor)**  
- **Power-Saving Mode (Burst Mode) for Light Load Efficiency**  
- **Thermally Enhanced Package for Better Heat Dissipation**  

This regulator is commonly used in portable electronics, networking equipment, and embedded systems.

Application Scenarios & Design Considerations

1.5A High Efficiency Switching Regulator 16-TSSOP -40 to 125

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