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LM2853MH-3.3 from NS,National Semiconductor

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LM2853MH-3.3

Manufacturer: NS

3A 550 kHz Synchronous SIMPLE SWITCHER? Buck Regulator 14-HTSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM2853MH-3.3,LM2853MH33 NS 1000 In Stock

Description and Introduction

3A 550 kHz Synchronous SIMPLE SWITCHER? Buck Regulator 14-HTSSOP -40 to 125 The LM2853MH-3.3 is a step-down DC-DC converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 150 kHz (typical)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC (MH)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions and Features:**  
- **Step-Down (Buck) Converter:** Converts higher input voltage to a regulated 3.3V output.  
- **Low Quiescent Current:** Typically 2.5mA in operation.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Enhances reliability under fault conditions.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  
- **Fixed Frequency Operation:** Simplifies filtering and noise management.  

This device is commonly used in power supply designs for embedded systems, industrial controls, and automotive electronics.

Application Scenarios & Design Considerations

3A 550 kHz Synchronous SIMPLE SWITCHER? Buck Regulator 14-HTSSOP -40 to 125

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