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LM3670MF-3.3 from NS,National Semiconductor

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LM3670MF-3.3

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM3670MF-3.3,LM3670MF33 NS 24050 In Stock

Description and Introduction

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits The LM3670MF-3.3 is a step-down DC-DC converter manufactured by Texas Instruments (NS). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Quiescent Current:** 16µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM3670MF-3.3 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 3.3V output from an input voltage range of 2.7V to 5.5V, making it suitable for portable electronics.  

### **Features:**  
- **High Efficiency:** Up to 96% efficiency  
- **Low Quiescent Current:** 16µA (typical) for extended battery life  
- **Fixed 3.3V Output:** No external feedback resistors required  
- **2MHz Switching Frequency:** Allows for small external components  
- **Thermal Shutdown & Current Limit Protection:** Ensures safe operation  
- **Automatic PFM/PWM Mode Switching:** Optimizes efficiency across load conditions  
- **Small Footprint:** SOT-23-5 package for space-constrained designs  

This information is based solely on the manufacturer's datasheet.

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