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LM3478MMX from NS,National Semiconductor

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LM3478MMX

Manufacturer: NS

High Efficiency Low-Side N-Channel Controller for Switching Regulator

Partnumber Manufacturer Quantity Availability
LM3478MMX NS 7530 In Stock

Description and Introduction

High Efficiency Low-Side N-Channel Controller for Switching Regulator The LM3478MMX is a switching regulator controller manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.97V to 40V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MSOP)  

### **Descriptions:**  
The LM3478MMX is a high-performance N-channel MOSFET controller designed for step-down (buck), step-up (boost), and inverting power supply applications. It provides high efficiency and precise regulation with minimal external components.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 2.97V to 40V  
- **Adjustable Output Voltage:** Configurable for different applications  
- **High Switching Frequency:** Up to 1MHz for compact designs  
- **Current Mode Control:** Improves transient response and stability  
- **Integrated Bootstrap Diode:** Reduces external component count  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Undervoltage Lockout (UVLO):** Ensures reliable operation  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to the official documentation.

Application Scenarios & Design Considerations

High Efficiency Low-Side N-Channel Controller for Switching Regulator

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