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LTC3548EMSE from LT

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LTC3548EMSE

Manufacturer: LT

Dual Synchronous,400mA/800mA, 2.25MHz Step-Down DC/DC Regulator

Partnumber Manufacturer Quantity Availability
LTC3548EMSE LT 504 In Stock

Description and Introduction

Dual Synchronous,400mA/800mA, 2.25MHz Step-Down DC/DC Regulator The LTC3548EMSE is a high-efficiency, dual-channel synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 2.25V to 5.5V  
- **Output Voltage Range:** 0.6V to 5V (adjustable)  
- **Output Current:** Up to 600mA per channel (1.2A total)  
- **Switching Frequency:** 2.25MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead MSOP  

### **Features:**  
- **Dual Independent Outputs:** Two step-down converters in a single package.  
- **Synchronous Rectification:** Improves efficiency and reduces external component count.  
- **Low Quiescent Current:** 25µA per channel in Burst Mode operation.  
- **Burst Mode Operation:** Enhances efficiency at light loads.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Short-Circuit Protection:** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This device is commonly used in portable electronics, battery-powered systems, and distributed power applications.  

Would you like additional details on any specific aspect?

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