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LM2576HVT-5.0 from NS,National Semiconductor

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LM2576HVT-5.0

Manufacturer: NS

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2576HVT-5.0,LM2576HVT50 NS 1494 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576HVT-5.0 is a step-down (buck) switching voltage regulator manufactured by ON Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.0V to 60V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2576HVT-5.0 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. The device is suitable for a wide range of applications, including power supplies, battery chargers, and industrial systems.  

### **Features:**  
- **Simple and Efficient:** Requires only 4 external components for operation.  
- **Fixed Output Voltage:** Eliminates the need for external feedback resistors.  
- **Low Power Standby Mode:** Consumes minimal current in shutdown mode.  
- **Internal Frequency Compensation:** Simplifies design and improves stability.  
- **Robust Protection:** Includes thermal shutdown and current limiting for reliability.  
- **Wide Input Voltage Range:** Supports applications from 4V to 60V.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2576HVT-5.0,LM2576HVT50 NSC 130 In Stock

Description and Introduction

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator The LM2576HVT-5.0 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.0V to 60V  
- **Output Current:** Up to 3.0A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (with tab)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Dropout Voltage:** Typically 1.5V at full load  
- **Standby Current:** 50 µA (typical)  

### **Descriptions:**
- The LM2576HVT-5.0 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design with minimal external components.  
- Includes fixed-frequency oscillator, thermal shutdown, and current-limit protection.  
- Suitable for battery-powered applications, industrial systems, and automotive electronics.  

### **Features:**
- **Fixed 5.0V Output** (other variants available for adjustable output)  
- **Wide Input Voltage Range** (4V to 60V)  
- **High Efficiency** (up to 88%)  
- **Thermal Shutdown & Current-Limit Protection**  
- **Low Power Standby Mode** (50 µA typical)  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Capacitors**  
- **TO-220 Package for Easy Mounting**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

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