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LM3670MFX-ADJ from NS,National Semiconductor

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LM3670MFX-ADJ

Manufacturer: NS

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits

Partnumber Manufacturer Quantity Availability
LM3670MFX-ADJ,LM3670MFXADJ NS 6000 In Stock

Description and Introduction

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits The LM3670MFX-ADJ is a step-down DC-DC converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Adjustable Output Voltage:** 1V to 3.3V  
- **Output Current:** Up to 600mA  
- **Efficiency:** Up to 96%  
- **Switching Frequency:** 2MHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM3670MFX-ADJ is a high-efficiency, step-down DC-DC converter designed for battery-powered applications. It provides a regulated adjustable output voltage with high efficiency and low quiescent current, making it suitable for portable devices.  

### **Features:**  
- Adjustable output voltage via external resistors  
- Low quiescent current (15µA typical)  
- Internal soft-start for controlled inrush current  
- Over-temperature protection  
- Automatic pulse-frequency modulation (PFM) mode for improved efficiency at light loads  
- Small footprint due to SOT-23-5 package  

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

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