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LM3477MM from NSC,National Semiconductor

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LM3477MM

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM3477MM NSC 1300 In Stock

Description and Introduction

High Efficiency High-Side N-Channel Controller for Switching Regulator The LM3477MM is a switching regulator controller manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 2.97V to 40V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Output Current:** Controller (requires external FETs)  
- **Topology:** Buck, Boost, Flyback, SEPIC  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MM)  

### **Descriptions:**  
The LM3477MM is a high-performance switching regulator controller designed for DC-DC converter applications. It supports multiple topologies, including buck, boost, flyback, and SEPIC, making it versatile for various power supply designs. The device features an adjustable switching frequency up to 1MHz and includes protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Wide Input Voltage Range (2.97V to 40V)**  
- **Adjustable Switching Frequency (Up to 1MHz)**  
- **Supports Multiple Topologies (Buck, Boost, Flyback, SEPIC)**  
- **Low Shutdown Current (<1µA)**  
- **Integrated Thermal Shutdown Protection**  
- **Current Mode Control for Improved Stability**  
- **Small 8-Pin VSSOP Package**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

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