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LM2576SX-ADJ/NOPB from NSC,National Semiconductor

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LM2576SX-ADJ/NOPB

Manufacturer: NSC

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2576SX-ADJ/NOPB,LM2576SXADJNOPB NSC 5000 In Stock

Description and Introduction

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125 The LM2576SX-ADJ/NOPB is a switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Voltage Range:** Adjustable (1.23V to 37V)  
- **Output Current:** 3A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulator Type:** Buck (Step-Down)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2576SX-ADJ/NOPB is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for easy implementation in a wide range of power supply applications.  

### **Features:**  
- Adjustable output voltage with feedback pin  
- Requires minimal external components  
- Fixed-frequency internal oscillator  
- High efficiency compared to linear regulators  
- Thermal shutdown and current limit protection  
- Available in a 5-lead TO-263 package  

This regulator is suitable for applications such as power supplies, battery chargers, and industrial control systems.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125

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