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LM26400YSD from NSC,National Semiconductor

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LM26400YSD

Manufacturer: NSC

Dual 2A, 500kHz Wide Input Range Buck Regulator

Partnumber Manufacturer Quantity Availability
LM26400YSD NSC 3000 In Stock

Description and Introduction

Dual 2A, 500kHz Wide Input Range Buck Regulator The LM26400YSD is a dual synchronous buck regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.95V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 3A per channel (6A total)  
- **Switching Frequency:** 1.5MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin LLP (4mm x 4mm)  

### **Descriptions:**  
The LM26400YSD integrates two high-efficiency synchronous buck regulators with internal power MOSFETs. It is designed for applications requiring multiple regulated voltage rails from a single input supply, such as portable devices, networking, and industrial systems.  

### **Features:**  
- **Dual Independent Regulators:** Each channel operates independently.  
- **Internal Compensation:** Reduces external component count.  
- **Power-Good Output:** Monitors each regulator’s status.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Current Limit & Thermal Shutdown:** Protects against overloads and overheating.  
- **Synchronous Rectification:** Improves efficiency.  
- **Low Quiescent Current:** Enhances battery life in portable applications.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2A, 500kHz Wide Input Range Buck Regulator

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