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LM2853MH-1.5 from NS,National Semiconductor

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LM2853MH-1.5

Manufacturer: NS

3A 550 kHz Synchronous SIMPLE SWITCHER Buck Regulator

Partnumber Manufacturer Quantity Availability
LM2853MH-1.5,LM2853MH15 NS 909 In Stock

Description and Introduction

3A 550 kHz Synchronous SIMPLE SWITCHER Buck Regulator The LM2853MH-1.5 is a step-down DC-DC converter manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 1.5V (fixed)  
- **Input Voltage Range:** 4V to 30V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 150kHz (typical)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC (MH)  

### **Descriptions:**
- The LM2853MH-1.5 is a monolithic, step-down (buck) switching regulator designed for high-efficiency voltage conversion.  
- It is optimized for low-power applications requiring a stable 1.5V output.  
- The device includes an internal N-channel MOSFET switch, oscillator, control logic, and feedback circuitry.  

### **Features:**
- **Wide Input Voltage Range (4V to 30V)** – Suitable for various power sources.  
- **Fixed 1.5V Output** – No external resistor divider needed.  
- **Internal Soft-Start** – Reduces inrush current during startup.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Short-Circuit Protection** – Enhances reliability.  
- **Low Quiescent Current (300µA typical)** – Improves efficiency in light-load conditions.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

3A 550 kHz Synchronous SIMPLE SWITCHER Buck Regulator

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