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LM3485MMX/NOPB from NS,National Semiconductor

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LM3485MMX/NOPB

Manufacturer: NS

4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller 8-VSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM3485MMX/NOPB,LM3485MMXNOPB NS 717 In Stock

Description and Introduction

4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller 8-VSSOP -40 to 125 The **LM3485MMX/NOPB** is a switching regulator manufactured by **National Semiconductor (NS)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Voltage Range:** Adjustable from 1.242V to 32V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MSOP)  

### **Descriptions:**  
The LM3485MMX/NOPB is a **step-down (buck) switching regulator** designed for high-efficiency power conversion. It integrates a **75mΩ N-channel MOSFET** and provides a **constant-frequency current-mode control** for stable operation. It is suitable for applications requiring **low power dissipation** and **compact designs**.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 35V)**  
- **Adjustable Output Voltage (1.242V to 32V)**  
- **500mA Output Current Capability**  
- **Adjustable Switching Frequency (Up to 1MHz)**  
- **Internal Soft-Start Function**  
- **Thermal Shutdown Protection**  
- **Cycle-by-Cycle Current Limiting**  
- **Low Shutdown Current (1µA typical)**  

This regulator is commonly used in **battery-powered devices, industrial systems, and automotive applications** where efficient power conversion is required.

Application Scenarios & Design Considerations

4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller 8-VSSOP -40 to 125
Partnumber Manufacturer Quantity Availability
LM3485MMX/NOPB,LM3485MMXNOPB NSC 168 In Stock

Description and Introduction

4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller 8-VSSOP -40 to 125 The LM3485MMX/NOPB is a switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Voltage Range:** Adjustable from 1.26V to 32V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 100kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MSOP)  

### **Descriptions:**  
The LM3485MMX/NOPB is a step-down (buck) switching regulator designed for high-efficiency voltage conversion. It integrates a power MOSFET and supports adjustable output voltage with external resistors.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 35V  
- **Integrated 0.5A Power MOSFET**  
- **Adjustable Output Voltage**  
- **Low Quiescent Current (100µA typical)**  
- **Thermal Shutdown Protection**  
- **Current Limiting Protection**  
- **Small Footprint (VSSOP Package)**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller 8-VSSOP -40 to 125

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