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LM3480IM3-3.3 from NATIONAL,National Semiconductor

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LM3480IM3-3.3

Manufacturer: NATIONAL

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM3480IM3-3.3,LM3480IM333 NATIONAL 3000 In Stock

Description and Introduction

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator The LM3480IM3-3.3 is a step-down DC-DC converter manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Current:** Up to 100mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (Thin)  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Features:**  
  - Low dropout operation  
  - Internal soft-start  
  - Thermal shutdown protection  
  - Short-circuit protection  
  - Low quiescent current (40µA typical)  

### **Description:**  
The LM3480IM3-3.3 is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated 3.3V output from a higher input voltage. It integrates a power MOSFET and control circuitry, reducing external component count.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 35V input.  
- **High Efficiency:** Optimized for low-power applications.  
- **Compact Solution:** Minimal external components required.  
- **Protection Features:** Includes thermal shutdown and short-circuit protection.  
- **Low Quiescent Current:** Enhances battery life in portable applications.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator

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