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LM2674LDX-ADJ from NS,National Semiconductor

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LM2674LDX-ADJ

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2674LDX-ADJ,LM2674LDXADJ NS 2349 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674LDX-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Adjustable (1.21V to 37V)  
- **Output Current:** Up to 500mA  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (LD)  

### **Descriptions & Features:**  
- **Simple Adjustable Output:** Uses an external resistor divider for output voltage adjustment.  
- **High Efficiency:** Uses a buck regulator topology for minimal power loss.  
- **Integrated Features:** Includes a high-side N-channel MOSFET switch, frequency compensation, and thermal shutdown.  
- **Low Power Consumption:** Shutdown mode reduces input current to 50µA (typical).  
- **Protection Features:** Overcurrent protection, thermal shutdown, and input undervoltage lockout.  
- **Applications:** Used in power supplies, industrial systems, automotive electronics, and battery-powered devices.  

This regulator is designed for step-down (buck) DC-DC conversion with minimal external components.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator

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