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LM2574HVN-3.3 from NSC,National Semiconductor

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LM2574HVN-3.3

Manufacturer: NSC

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2574HVN-3.3,LM2574HVN33 NSC 1 In Stock

Description and Introduction

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator The LM2574HVN-3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 60V (high-voltage version)  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 80% (depending on conditions)  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 8-pin DIP (PDIP)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions and Features:**  
- **Simple and Efficient:** Requires minimal external components for operation.  
- **Fixed Output:** Provides a stable 3.3V output.  
- **Wide Input Range:** Supports high-voltage input up to 60V.  
- **Low Power Consumption:** Includes a low-power standby mode.  
- **Internal Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Applications:** Used in power supplies, battery chargers, automotive systems, and industrial controls.  

This regulator is designed for ease of use and reliability in various power conversion applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

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