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LM2642MTCX/NOPB from NS,National Semiconductor

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LM2642MTCX/NOPB

Manufacturer: NS

4.5-30V, Two-Phase Emulated Current Mode Synchoronous Buck Controller 28-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM2642MTCX/NOPB,LM2642MTCXNOPB NS 2275 In Stock

Description and Introduction

4.5-30V, Two-Phase Emulated Current Mode Synchoronous Buck Controller 28-TSSOP -40 to 125 The LM2642MTCX/NOPB is a dual synchronous buck regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1A per channel  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-TSSOP  

### **Descriptions:**  
The LM2642MTCX/NOPB is a high-efficiency, dual-channel synchronous step-down DC-DC converter. It integrates two PWM controllers with synchronous rectification, reducing external component count and improving efficiency.  

### **Features:**  
- Dual 1A output current capability  
- Internal soft-start for controlled startup  
- Power-good output for each regulator  
- Adjustable switching frequency  
- Overcurrent and thermal protection  
- Low-dropout (LDO) mode for improved efficiency at light loads  

This device is commonly used in portable electronics, networking, and industrial applications.

Application Scenarios & Design Considerations

4.5-30V, Two-Phase Emulated Current Mode Synchoronous Buck Controller 28-TSSOP -40 to 125

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