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LM2745MTCX from NS,National Semiconductor

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LM2745MTCX

Manufacturer: NS

Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization

Partnumber Manufacturer Quantity Availability
LM2745MTCX NS 192 In Stock

Description and Introduction

Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization The LM2745MTCX is a synchronous buck regulator controller manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
National Semiconductor (NS)  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** 0.6V to 5.5V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TSSOP-16  
- **Control Method:** Voltage Mode PWM  
- **Efficiency:** Up to 95%  
- **Gate Drive Output Voltage:** 5V or 7V (adjustable)  

### **Descriptions:**  
The LM2745MTCX is a high-performance synchronous buck regulator controller designed to drive N-channel MOSFETs in a step-down DC-DC converter configuration. It provides precise output voltage regulation with adjustable switching frequency and supports a wide input voltage range, making it suitable for various power supply applications.  

### **Features:**  
- Adjustable output voltage  
- Programmable soft-start  
- Overcurrent protection (OCP)  
- Undervoltage lockout (UVLO)  
- Precision voltage reference (0.6V ±1%)  
- Adjustable gate drive voltage (5V or 7V)  
- Synchronization capability with external clock  
- Thermal shutdown protection  

This information is strictly based on the manufacturer's datasheet and knowledge base. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization

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