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LM3674MF-2.8 from NSC,National Semiconductor

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LM3674MF-2.8

Manufacturer: NSC

LM3674 2MHz, 600mA Step-Down DC-DC Converter in SOT-23

Partnumber Manufacturer Quantity Availability
LM3674MF-2.8,LM3674MF28 NSC 1000 In Stock

Description and Introduction

LM3674 2MHz, 600mA Step-Down DC-DC Converter in SOT-23 The LM3674MF-2.8 is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 2.8V (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 & Features:**  
- **High Efficiency:** Optimized for low-power applications.  
- **Low Quiescent Current:** Extends battery life in portable devices.  
- **Fixed Output Voltage:** No external feedback resistors required.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Automatic PFM/PWM Mode Switching:** Improves efficiency across load conditions.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Small Footprint:** Suitable for space-constrained applications.  

This device is commonly used in battery-powered systems, portable electronics, and IoT devices.

Partnumber Manufacturer Quantity Availability
LM3674MF-2.8,LM3674MF28 NS 6000 In Stock

Description and Introduction

LM3674 2MHz, 600mA Step-Down DC-DC Converter in SOT-23 The LM3674MF-2.8 is a step-down DC-DC converter manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** 2.8V (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  

### **Descriptions:**  
The LM3674MF-2.8 is a high-efficiency, low-quiescent-current step-down DC-DC converter designed for battery-powered applications. It provides a fixed 2.8V output and supports a wide input voltage range, making it suitable for portable electronics.  

### **Features:**  
- **Low Quiescent Current:** 16µA (typical)  
- **Pulse-Width Modulation (PWM) Operation**  
- **Internal Synchronous Rectifier** (improves efficiency)  
- **Soft-Start Function** (reduces inrush current)  
- **Thermal Shutdown and Overcurrent Protection**  
- **Small Footprint (SOT-23-5 Package)**  

This information is based on the manufacturer's datasheet.

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