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LTC3409AEDD from LT

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LTC3409AEDD

Manufacturer: LT

600mA Low VIN Buck Regulator in 3mm × 3mm DFN

Partnumber Manufacturer Quantity Availability
LTC3409AEDD LT 1239 In Stock

Description and Introduction

600mA Low VIN Buck Regulator in 3mm × 3mm DFN The LTC3409AEDD is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** 0.6V to 5V (adjustable)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.5MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead DFN (3mm x 3mm)  

### **Descriptions and Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Burst Mode® Operation:** Enhances light-load efficiency.  
- **Low Dropout Operation:** Allows the output to stay in regulation even when the input voltage approaches the output voltage.  
- **Internal Soft-Start:** Prevents excessive inrush current during startup.  
- **Short-Circuit Protection:** Safeguards the device under fault conditions.  
- **Low Quiescent Current:** Typically 20µA in shutdown mode.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This device is designed for portable applications requiring high efficiency and compact size, such as smartphones, tablets, and portable media players.

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