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LM22676TJ-ADJ from NS,National Semiconductor

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LM22676TJ-ADJ

Manufacturer: NS

3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable

Partnumber Manufacturer Quantity Availability
LM22676TJ-ADJ,LM22676TJADJ NS 52 In Stock

Description and Introduction

3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable The LM22676TJ-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** Adjustable from 1.285V to 37V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500 kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-7 (DDPAK/TO-263)  
- **Regulation Type:** Step-Down (Buck)  

### **Descriptions and Features:**  
- **High-Efficiency Synchronous Buck Regulator:** Integrates a low-side MOSFET for improved efficiency.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and telecom applications.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability under fault conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Low Quiescent Current:** Improves efficiency at light loads.  
- **Frequency Synchronization Capability:** Allows synchronization to an external clock.  

This regulator is designed for high-performance power supply applications requiring high efficiency and compact design.

Application Scenarios & Design Considerations

3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable
Partnumber Manufacturer Quantity Availability
LM22676TJ-ADJ,LM22676TJADJ NSC 35 In Stock

Description and Introduction

3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable The LM22676TJ-ADJ is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** Adjustable from 1.285V to 37V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500 kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-7 (DDPAK/TO-263)  

### **Descriptions:**  
- The LM22676TJ-ADJ is a step-down (buck) switching regulator designed for high-efficiency power conversion.  
- It features an adjustable output voltage via external resistors.  
- The device includes internal compensation, thermal shutdown, and current limiting for robust operation.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 42V input.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **High Efficiency:** Up to 95% efficiency with integrated MOSFET.  
- **Fixed Frequency Operation:** 500 kHz switching frequency for predictable performance.  
- **Protection Features:**  
  - Thermal shutdown  
  - Current limiting  
  - Soft-start capability  
- **Compact Package:** TO-263-7 package for space-constrained applications.  

This regulator is commonly used in industrial, automotive, and telecom applications requiring efficient power conversion.

Application Scenarios & Design Considerations

3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable

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