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LM2575-3.3WT from MICREL

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LM2575-3.3WT

Manufacturer: MICREL

52kHz Simple 1A Buck Regulator

Partnumber Manufacturer Quantity Availability
LM2575-3.3WT,LM257533WT MICREL 2659 In Stock

Description and Introduction

52kHz Simple 1A Buck Regulator The LM2575-3.3WT is a step-down switching regulator manufactured by MICREL (now part of Microchip Technology).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
The LM2575-3.3WT 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 regulator is capable of driving a 1A load with excellent line and load regulation.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Fixed-frequency oscillator (52 kHz)  
- Thermal shutdown and current limit protection  
- Low power standby mode (IQ < 80 µA)  
- Available in a TO-263 surface-mount package  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

52kHz Simple 1A Buck Regulator

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