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LTC1149CS-5#TR from LT

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LTC1149CS-5#TR

Manufacturer: LT

High Efficiency Synchronous Step-Down Switching Regulators

Partnumber Manufacturer Quantity Availability
LTC1149CS-5#TR,LTC1149CS5#TR LT 2500 In Stock

Description and Introduction

High Efficiency Synchronous Step-Down Switching Regulators The LTC1149CS-5#TR is a high-efficiency, synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Part Number:** LTC1149CS-5#TR  
- **Package:** 16-Lead SOIC  
- **Output Voltage:** Fixed 5V  
- **Input Voltage Range:** 4V to 14V  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** 0°C to 70°C  
- **Regulation Type:** Synchronous Buck (Step-Down)  
- **Control Method:** Current Mode PWM  
- **Protection Features:** Overcurrent, Thermal Shutdown  

### **Descriptions and Features:**  
- High-efficiency synchronous switching regulator.  
- Fixed 5V output with ±4% accuracy.  
- Low quiescent current (typically 1.5mA).  
- Uses current-mode PWM control for fast transient response.  
- Includes internal power MOSFETs for reduced external component count.  
- Soft-start feature to limit inrush current.  
- Suitable for battery-powered and portable applications.  

This device is designed for applications requiring high efficiency and compact power solutions.

Application Scenarios & Design Considerations

High Efficiency Synchronous Step-Down Switching Regulators

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