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LM2575D2T-3.3 from ON,ON Semiconductor

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LM2575D2T-3.3

Manufacturer: ON

1A, Adjustable Output Voltage, Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM2575D2T-3.3,LM2575D2T33 ON 5000 In Stock

Description and Introduction

1A, Adjustable Output Voltage, Step-Down Switching Regulator The LM2575D2T-3.3 is a step-down (buck) switching voltage regulator manufactured by ON Semiconductor.  

### **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-263-5 (D2T)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2575D2T-3.3 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:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Low power standby mode (IQ ≈ 50 µA)  
- Wide input voltage range  
- High efficiency  
- Available in fixed and adjustable output versions  
- Overcurrent and thermal protection  

This regulator is commonly used in power supply applications, battery chargers, and DC-DC converters.

Application Scenarios & Design Considerations

1A, Adjustable Output Voltage, Step-Down Switching Regulator

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