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LM22676MR-5.0/NOPB from NSC,National Semiconductor

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LM22676MR-5.0/NOPB

Manufacturer: NSC

SIMPLE SWITCHER? 4.5V to 42V, 3A Step-Down Regulator with Precision Enable 8-SO PowerPAD -40 to 125

Partnumber Manufacturer Quantity Availability
LM22676MR-5.0/NOPB,LM22676MR50NOPB NSC 698 In Stock

Description and Introduction

SIMPLE SWITCHER? 4.5V to 42V, 3A Step-Down Regulator with Precision Enable 8-SO PowerPAD -40 to 125 The part **LM22676MR-5.0/NOPB** is a **5.0V, 3A Step-Down Switching Voltage Regulator** manufactured by **National Semiconductor (NSC)**.  

### **Key Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4.5V to 42V  
- **Switching Frequency:** 500 kHz (adjustable with external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC with Exposed Pad (for improved thermal performance)  
- **Protection Features:** Thermal shutdown, current limit, and input undervoltage lockout  

### **Features:**  
- **Wide Input Voltage Range** (4.5V to 42V)  
- **Adjustable Soft-Start** (reduces inrush current)  
- **Synchronization Capability** (for noise-sensitive applications)  
- **Low Quiescent Current** (improves efficiency at light loads)  
- **Thermal Shutdown Protection** (prevents overheating)  
- **Current Mode Control** (for stable operation and fast transient response)  

### **Applications:**  
- Industrial power supplies  
- Automotive systems  
- Distributed power systems  
- Battery-powered equipment  
- Telecom and networking devices  

This regulator is designed for high-efficiency, step-down (buck) DC-DC conversion with robust protection features.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 4.5V to 42V, 3A Step-Down Regulator with Precision Enable 8-SO PowerPAD -40 to 125

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