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LM3489MM from NSC,National Semiconductor

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LM3489MM

Manufacturer: NSC

Hysteretic PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM3489MM NSC 5231 In Stock

Description and Introduction

Hysteretic PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125 The LM3489MM is a switching regulator from National Semiconductor (NSC). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Voltage Range:** Adjustable (down to 1.26V)  
- **Output Current:** Up to 2A  
- **Switching Frequency:** Adjustable (100kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MM)  

### **Descriptions:**  
The LM3489MM is a high-efficiency, step-down DC-DC converter designed for applications requiring a wide input voltage range and high output current. It integrates a low-side N-channel MOSFET and features adjustable frequency operation for optimizing efficiency and component size.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 35V)**  
- **2A Output Current Capability**  
- **Adjustable Switching Frequency (100kHz to 1MHz)**  
- **Integrated N-Channel MOSFET**  
- **Adjustable Output Voltage (1.26V and above)**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **Low Shutdown Current (<1µA)**  
- **Synchronizable to External Clock**  

This information is strictly factual from the available knowledge base.

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