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LM2575HVT-ADJ/NOPB from NSC,National Semiconductor

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LM2575HVT-ADJ/NOPB

Manufacturer: NSC

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2575HVT-ADJ/NOPB,LM2575HVTADJNOPB NSC 2000 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220 -40 to 125 The LM2575HVT-ADJ/NOPB is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Adjustable Output Voltage:** 1.23V to 37V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **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 LM2575HVT-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 and requires minimal external components. The adjustable version allows the output voltage to be set using external resistors.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Low standby current (50 µA typical)  
- High efficiency compared to linear regulators  
- Wide input voltage range  
- Available in fixed and adjustable output versions  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator 5-TO-220 -40 to 125

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