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LM2670SDX-ADJ from NSC,National Semiconductor

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LM2670SDX-ADJ

Manufacturer: NSC

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

Partnumber Manufacturer Quantity Availability
LM2670SDX-ADJ,LM2670SDXADJ NSC 1200 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync The LM2670SDX-ADJ is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (Exposed Pad)  

### **Descriptions:**
- The LM2670SDX-ADJ is a step-down (buck) switching regulator with an adjustable output voltage.  
- It integrates a high-efficiency DC-DC converter with a fixed-frequency PWM control scheme.  
- Designed for simplicity, it requires minimal external components.  
- Suitable for battery-powered and industrial applications.  

### **Features:**
- **Adjustable Output Voltage** via external resistors.  
- **High Efficiency** due to low-dropout design.  
- **Internal Soft-Start** to reduce inrush current.  
- **Thermal Shutdown & Current Limiting** for protection.  
- **Low Power Standby Mode** (when disabled).  
- **Minimal External Components** required for operation.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

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