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LM3485MM from NS Pb-free,National Semiconductor

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LM3485MM

Manufacturer: NS Pb-free

Hysteretic PFET Buck Controller

Partnumber Manufacturer Quantity Availability
LM3485MM NS Pb-free 240 In Stock

Description and Introduction

Hysteretic PFET Buck Controller The LM3485MM is a switching regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

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

### **Part Number:**  
- **LM3485MM**  

### **Pb-Free Specifications:**  
- The LM3485MM is **Pb-free (Lead-free)** and complies with RoHS (Restriction of Hazardous Substances) standards.  

### **Descriptions:**  
- The LM3485MM is a **wide input voltage range (4.5V to 35V), current-mode boost/SEPIC/flyback DC-DC converter** with an integrated **75V, 0.5A switch**.  
- It is designed for **high-efficiency step-up (boost) and other topologies** such as SEPIC and flyback converters.  
- The device operates at a **fixed switching frequency of 550kHz** and includes **cycle-by-cycle current limiting** for protection.  

### **Features:**  
1. **Wide Input Voltage Range:** 4.5V to 35V  
2. **Integrated 75V, 0.5A N-Channel MOSFET**  
3. **Adjustable Output Voltage (Up to 75V)**  
4. **Fixed 550kHz Switching Frequency**  
5. **Current-Mode Control for Improved Stability**  
6. **Cycle-by-Cycle Current Limiting**  
7. **Thermal Shutdown Protection**  
8. **Low Shutdown Current (<1µA)**  
9. **Available in an 8-Pin MSOP (MM) Package**  
10. **Pb-Free and RoHS Compliant**  

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

Application Scenarios & Design Considerations

Hysteretic PFET Buck Controller

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