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LTC1649CS#PBF from LINEAR

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LTC1649CS#PBF

Manufacturer: LINEAR

3.3V Input High Power Step-Down Switching Regulator Controller

Partnumber Manufacturer Quantity Availability
LTC1649CS#PBF,LTC1649CSPBF LINEAR 91 In Stock

Description and Introduction

3.3V Input High Power Step-Down Switching Regulator Controller The LTC1649CS#PBF is a Hot Swap Controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC1649CS#PBF  
- **Package:** 16-Lead SOIC  
- **Operating Voltage Range:** 2.7V to 15V  
- **Maximum Supply Voltage:** 15V  
- **Quiescent Current:** 1.5mA (typical)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Gate Drive Voltage:** Adjustable for external N-channel MOSFET  
- **Fault Protection:** Overcurrent, undervoltage, and power-good monitoring  

### **Descriptions:**
- The LTC1649CS#PBF is a Hot Swap Controller designed to safely insert and remove boards from live backplanes.  
- It provides inrush current control and fault protection for systems with supply voltages up to 15V.  
- The device uses an external N-channel MOSFET to regulate power-up sequencing and limit current during faults.  

### **Features:**
- **Programmable Current Limit:** Adjustable via an external sense resistor.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Power-Good Output:** Indicates when the output voltage is within regulation.  
- **Fault Timer:** Adjustable for overcurrent protection delays.  
- **Soft-Start Capability:** Controls inrush current during power-up.  
- **Wide Operating Voltage Range:** Supports 2.7V to 15V applications.  

This information is strictly factual and based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

3.3V Input High Power Step-Down Switching Regulator Controller

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