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LM3674MF-ADJ from NSC,National Semiconductor

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LM3674MF-ADJ

Manufacturer: NSC

2MHz, 600mA Step-Down DC-DC Converter in SOT 23-5 5-SOT-23 -30 to 85

Partnumber Manufacturer Quantity Availability
LM3674MF-ADJ,LM3674MFADJ NSC 60 In Stock

Description and Introduction

2MHz, 600mA Step-Down DC-DC Converter in SOT 23-5 5-SOT-23 -30 to 85 The LM3674MF-ADJ is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **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-ADJ is a high-efficiency, low-quiescent-current step-down DC-DC converter designed for battery-powered applications. It features an adjustable output voltage and operates at a fixed switching frequency of 2MHz, allowing the use of small external components.  

### **Features:**  
- Adjustable output voltage  
- High efficiency (up to 96%)  
- Low quiescent current (15µA typical)  
- Internal soft-start  
- Over-temperature protection  
- Short-circuit protection  
- Small SOT-23-5 package  

This information is sourced from the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LM3674MF-ADJ,LM3674MFADJ NS 11711 In Stock

Description and Introduction

2MHz, 600mA Step-Down DC-DC Converter in SOT 23-5 5-SOT-23 -30 to 85 The LM3674MF-ADJ is a step-down DC-DC converter manufactured by Texas Instruments (NS stands for National Semiconductor, which was acquired by TI).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Adjustable Output Voltage:** 1.0V to 3.3V (set via external resistors)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM3674MF-ADJ is a high-efficiency, low-quiescent-current step-down DC-DC converter designed for battery-powered applications. It features an adjustable output voltage and operates at a fixed switching frequency of 2MHz, allowing for small external components.  

### **Features:**  
- **Low Quiescent Current:** 16µA (typical)  
- **Power-Save Mode** for improved efficiency at light loads  
- **Internal Soft Start** to limit inrush current  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  
- **Small Footprint** (SOT-23-5 package)  

This device is commonly used in portable electronics, such as smartphones, tablets, and other battery-powered systems.

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