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LM2674M-ADJ from NS Pb-free,National Semiconductor

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LM2674M-ADJ

Manufacturer: NS Pb-free

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

Partnumber Manufacturer Quantity Availability
LM2674M-ADJ,LM2674MADJ NS Pb-free 25 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-ADJ is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
National Semiconductor (NS)  

### **Pb-Free Specifications:**  
- The LM2674M-ADJ is available in a **Pb-free (lead-free)** package, compliant with RoHS (Restriction of Hazardous Substances) standards.  

### **Descriptions:**  
- The LM2674M-ADJ is a **buck (step-down) switching voltage regulator** with an adjustable output voltage.  
- It is capable of delivering up to **500mA of output current**.  
- Operates at a **fixed switching frequency of 260 kHz**.  
- Input voltage range: **8V to 40V**.  
- Adjustable output voltage range: **1.21V to 37V** (set via external resistors).  
- High efficiency (up to **90%**) due to low dropout operation.  
- Includes **thermal shutdown and current limit protection**.  

### **Features:**  
- **Simple and easy-to-use** buck regulator design.  
- **Low power consumption** in shutdown mode (<50µA).  
- **Internal soft-start** reduces inrush current.  
- **Wide input voltage range (8V to 40V)**.  
- **TO-263 (D2PAK) package** for better thermal performance.  
- **Requires minimal external components** (inductor, diode, capacitors, and resistors).  

This information is based solely on the manufacturer's specifications for the LM2674M-ADJ.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2674M-ADJ,LM2674MADJ NS 920 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**
The LM2674M-ADJ is a step-down (buck) switching regulator designed for high-efficiency voltage conversion. It integrates a power switch, oscillator, and control circuitry, requiring minimal external components. The adjustable output version allows users to set the desired voltage using an external resistor divider.  

### **Features:**
- Simple and easy-to-design buck regulator  
- Adjustable output voltage with feedback pin  
- Internal soft-start reduces inrush current  
- Thermal shutdown and current limit protection  
- Low standby current in shutdown mode  
- Requires only four external components for operation  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2674M-ADJ,LM2674MADJ NS 8 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

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

### **Descriptions:**
The LM2674M-ADJ is a step-down (buck) switching regulator that provides a highly efficient DC-DC conversion solution. It integrates a high-performance voltage regulator with a fixed-frequency PWM control scheme. The adjustable output version allows users to set the desired output voltage using external resistors.  

### **Features:**
- **Simple Adjustable Output:** Uses an external resistor divider for output voltage setting.  
- **High Efficiency:** Minimizes power dissipation with synchronous rectification.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Current Limiting:** Protects the device from overheating and overcurrent conditions.  
- **Low Power Standby Mode:** Enhances efficiency at light loads.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and battery-powered applications.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2674M-ADJ,LM2674MADJ NSC 28 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-ADJ is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Output Voltage Range:** Adjustable (1.21V to 37V)  
- **Output Current:** 500mA  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LM2674M-ADJ is a monolithic integrated circuit designed for step-down (buck) voltage regulation.  
- It includes an internal N-channel MOSFET switch for high efficiency and minimal external components.  
- The adjustable output version allows flexibility in setting the desired output voltage using external resistors.  
- It features thermal shutdown and current limiting for protection.  

### **Features:**  
- **Simple and Efficient Design:** Requires only a few external components.  
- **Adjustable Output:** Set via external resistor divider.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Current Limiting:** Protects against overcurrent conditions.  
- **Low Power Standby Mode:** Improves efficiency at light loads.  

This information is strictly factual and derived from the manufacturer's datasheet. No additional suggestions or guidance are included.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2674M-ADJ,LM2674MADJ NATIONAL 50 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-ADJ is a switching voltage regulator manufactured by National Semiconductor (now part of Texas Instruments). Below are its key specifications, descriptions, and features:

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

### **Descriptions:**
- The LM2674M-ADJ is a step-down (buck) switching regulator that provides a highly efficient and compact solution for DC-DC conversion.  
- It integrates a high-efficiency switching regulator with a fixed-frequency PWM control scheme.  
- The adjustable output version allows flexibility in setting the desired output voltage using external resistors.  

### **Features:**
- **Simple Design:** Requires minimal external components.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Current Limiting:** Protects the device from overheating and overcurrent conditions.  
- **Low Power Standby Mode:** Enhances efficiency at light loads.  
- **High Efficiency:** Optimized for power-sensitive applications.  

This regulator is commonly used in power supplies, industrial controls, automotive systems, and battery-powered applications.  

(Note: Always refer to the official datasheet for detailed technical information.)

Application Scenarios & Design Considerations

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

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