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LTC3548IMSE#PBF from LINEAR

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LTC3548IMSE#PBF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LTC3548IMSE#PBF,LTC3548IMSEPBF LINEAR 1987 In Stock

Description and Introduction

Dual Synchronous, 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator The LTC3548IMSE#PBF is a dual synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

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

### **Descriptions:**  
- The LTC3548IMSE#PBF is a high-efficiency, dual-channel synchronous buck regulator.  
- It operates from a single Li-Ion or multi-cell alkaline/NiMH input.  
- Features Burst Mode® operation for improved efficiency at light loads.  
- Includes internal soft-start, power-good indicators, and independent enable controls for each channel.  

### **Features:**  
- **Dual Independent Regulators:** Two 600mA step-down converters in one package.  
- **Low Quiescent Current:** 40µA per channel in Burst Mode operation.  
- **Synchronous Rectification:** Improves efficiency and eliminates the need for external Schottky diodes.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Small Footprint:** MSOP-10 package for space-constrained applications.  
- **Adjustable Output Voltage:** Set via external resistors.  

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

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