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LM3670MFX-1.8 from NS国半,National Semiconductor

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LM3670MFX-1.8

Manufacturer: NS国半

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

Partnumber Manufacturer Quantity Availability
LM3670MFX-1.8,LM3670MFX18 NS国半 28000 In Stock

Description and Introduction

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits The LM3670MFX-1.8 is a step-down DC-DC converter manufactured by National Semiconductor (NS国半).  

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Quiescent Current:** 16µA (typical)  

### **Descriptions:**  
The LM3670MFX-1.8 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 1.8V output and is designed for low-power portable devices.  

### **Features:**  
- Integrated synchronous rectifier for high efficiency  
- Automatic PFM/PWM mode switching for improved efficiency at light loads  
- Low shutdown current (<1µA)  
- Internal soft-start to limit inrush current  
- Short-circuit and thermal protection  
- Small footprint (SOT-23-5 package)  

This information is based on the manufacturer's datasheet.

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