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LM2641MTCX-ADJ from NS,National Semiconductor

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LM2641MTCX-ADJ

Manufacturer: NS

Dual Adjustable Step-Down Switching Power Supply Controller

Partnumber Manufacturer Quantity Availability
LM2641MTCX-ADJ,LM2641MTCXADJ NS 5076 In Stock

Description and Introduction

Dual Adjustable Step-Down Switching Power Supply Controller The LM2641MTCX-ADJ is a dual-output switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 1A per channel  
- **Switching Frequency:** 2 MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-pin TSSOP  

### **Descriptions:**  
- Dual synchronous buck regulator with integrated power MOSFETs.  
- Provides two independent adjustable output voltages.  
- Features pulse-width modulation (PWM) for high efficiency.  
- Includes soft-start, overcurrent, and thermal protection.  

### **Features:**  
- **Dual Outputs:** Two independent regulators in a single package.  
- **Adjustable Outputs:** Configurable via external resistors.  
- **High Efficiency:** Up to 95% with synchronous rectification.  
- **Fixed Frequency Operation:** 2 MHz reduces external component size.  
- **Integrated MOSFETs:** Simplifies design and reduces board space.  
- **Protection Features:** Overcurrent, thermal shutdown, and soft-start.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual Adjustable Step-Down Switching Power Supply Controller

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