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LTC1148HVIS-5#PBF from LINEAR

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LTC1148HVIS-5#PBF

Manufacturer: LINEAR

High Efficiency Synchronous Step-Down Switching Regulators

Partnumber Manufacturer Quantity Availability
LTC1148HVIS-5#PBF,LTC1148HVIS5PBF LINEAR 35 In Stock

Description and Introduction

High Efficiency Synchronous Step-Down Switching Regulators The LTC1148HVIS-5#PBF is a high-efficiency, high-voltage synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 8V to 48V  
- **Output Voltage:** Fixed 5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 100kHz (adjustable with external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead SOIC (IS)  

### **Descriptions:**
- The LTC1148HVIS-5#PBF is a synchronous buck regulator designed for high-voltage applications.  
- It integrates both high-side and low-side N-channel MOSFETs for improved efficiency.  
- Features Burst Mode® operation for reduced power consumption at light loads.  
- Includes soft-start functionality to limit inrush current during startup.  

### **Features:**
- **High Efficiency:** Synchronous rectification minimizes power loss.  
- **Wide Input Range:** Supports 8V to 48V, suitable for industrial and automotive applications.  
- **Burst Mode Operation:** Enhances efficiency at light loads.  
- **Adjustable Frequency:** External components allow frequency tuning.  
- **Short-Circuit Protection:** Improves reliability under fault conditions.  
- **Thermal Shutdown:** Prevents damage from overheating.  

This regulator is ideal for applications requiring high efficiency and high input voltage, such as telecom, industrial power supplies, and automotive systems.

Application Scenarios & Design Considerations

High Efficiency Synchronous Step-Down Switching Regulators

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