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LM2596SX-5.0/NOPB from NSC,National Semiconductor

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LM2596SX-5.0/NOPB

Manufacturer: NSC

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263

Partnumber Manufacturer Quantity Availability
LM2596SX-5.0/NOPB,LM2596SX50NOPB NSC 8000 In Stock

Description and Introduction

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 The LM2596SX-5.0/NOPB is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4.5V to 40V  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulator Type:** Buck Converter  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**
- The LM2596SX-5.0/NOPB is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.  
- It is designed for easy implementation in applications requiring efficient power conversion.  
- The fixed 5.0V output version eliminates the need for external feedback resistors.  

### **Features:**
- **Simple and Easy to Use:** Requires minimal external components.  
- **High Efficiency:** Reduces power dissipation.  
- **Internal Frequency Compensation:** Simplifies circuit design.  
- **Low Power Standby Mode:** Consumes minimal current when disabled.  
- **Thermal Shutdown and Current Limit Protection:** Enhances reliability.  
- **Wide Input Voltage Range:** Suitable for various power supply applications.  

This regulator is commonly used in power supplies, battery chargers, and industrial applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263
Partnumber Manufacturer Quantity Availability
LM2596SX-5.0/NOPB,LM2596SX50NOPB NSC 1000 In Stock

Description and Introduction

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 The LM2596SX-5.0/NOPB is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Key Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 90%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package Type:** TO-263-5 (D2PAK)  

### **Descriptions:**  
The LM2596SX-5.0/NOPB is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation and requires minimal external components.  

### **Features:**  
- **Fixed 5.0V Output**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Simple and Easy-to-Use Design**  

This regulator is commonly used in power supply applications, automotive systems, and industrial equipment.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263
Partnumber Manufacturer Quantity Availability
LM2596SX-5.0/NOPB,LM2596SX50NOPB NS 500 In Stock

Description and Introduction

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 The LM2596SX-5.0/NOPB is a step-down (buck) switching regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4.5V to 40V  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2596SX-5.0/NOPB is a monolithic DC-DC converter that provides a fixed 5.0V output with high efficiency. It simplifies power supply design by integrating a 3A switch, oscillator, control circuit, and thermal protection in a single package.  

### **Features:**  
- **Fixed 5.0V Output** with ±4% accuracy  
- **Wide Input Voltage Range** (4.5V to 40V)  
- **3A Output Current Capability**  
- **Low Power Standby Mode** (IQ ≈ 80 µA)  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Few External Components**  
- **Available in TO-263-5 Package**  

This regulator is commonly used in industrial, automotive, and consumer applications requiring efficient step-down voltage conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263

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