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LT1640LIS8#PBF from LINEAR

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LT1640LIS8#PBF

Manufacturer: LINEAR

Negative Voltage Hot Swap Controller

Partnumber Manufacturer Quantity Availability
LT1640LIS8#PBF,LT1640LIS8PBF LINEAR 41 In Stock

Description and Introduction

Negative Voltage Hot Swap Controller The LT1640LIS8#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:** LT1640LIS8#PBF  
- **Package:** SOIC-8  
- **Operating Voltage Range:** 9V to 80V  
- **Maximum Input Voltage:** 80V  
- **Gate Drive Voltage:** Adjustable (for external N-channel MOSFET)  
- **Current Limit Adjustment:** External sense resistor  
- **Fault Protection:** Overcurrent, undervoltage, and overtemperature  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The LT1640LIS8#PBF is a high-voltage hot swap controller designed to safely insert and remove boards from live backplanes.  
- It provides inrush current control and fault protection to prevent damage to components.  
- The device uses an external N-channel MOSFET and sense resistor for adjustable current limiting.  

### **Features:**
- **Wide Input Voltage Range (9V to 80V)** – Suitable for high-voltage applications.  
- **Programmable Current Limit** – Uses an external sense resistor for precise control.  
- **Fast Overcurrent Response** – Protects against short circuits.  
- **Undervoltage Lockout (UVLO)** – Ensures proper operation within voltage limits.  
- **Adjustable Circuit Breaker Timing** – Configurable via an external capacitor.  
- **Thermal Shutdown Protection** – Prevents overheating.  
- **SOIC-8 Package** – Compact and industry-standard footprint.  

This device is commonly used in telecom, industrial, and automotive systems where hot swap capability is required.

Application Scenarios & Design Considerations

Negative Voltage Hot Swap Controller

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