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LTC1645IS8 from LINEAR

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LTC1645IS8

Manufacturer: LINEAR

Dual-Channel Hot Swap Controller/Power Sequencer

Partnumber Manufacturer Quantity Availability
LTC1645IS8 LINEAR 40 In Stock

Description and Introduction

Dual-Channel Hot Swap Controller/Power Sequencer The LTC1645IS8 is a Hot Swap Controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Package:** 8-Lead SOIC  
- **Operating Voltage Range:** 2.7V to 15V  
- **Adjustable Current Limit**  
- **Fault Protection:** Overcurrent, Undervoltage, and Overvoltage  
- **Power Good Output**  
- **Fast Response Time** for fault conditions  
- **Low Quiescent Current**  

### **Descriptions:**  
The LTC1645IS8 is designed to safely hot swap boards in live backplanes, preventing damage from inrush currents and faults. It provides controlled power-up and monitors for fault conditions, ensuring system reliability.  

### **Features:**  
- **Hot Swap Capability** for 3.3V and 5V systems  
- **Programmable Current Limit** with external sense resistor  
- **Adjustable Circuit Breaker Threshold**  
- **Fast Turn-Off During Faults** (<1µs)  
- **Wide Operating Voltage Range** (2.7V to 15V)  
- **Power Good Signal** for system monitoring  

This device is commonly used in servers, telecom systems, and other applications requiring safe board insertion and removal.  

Would you like any additional details?

Application Scenarios & Design Considerations

Dual-Channel Hot Swap Controller/Power Sequencer
Partnumber Manufacturer Quantity Availability
LTC1645IS8 LT 100 In Stock

Description and Introduction

Dual-Channel Hot Swap Controller/Power Sequencer The LTC1645IS8 is a Hot Swap controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Part Number:** LTC1645IS8  
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Package:** 8-Lead SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 2.7V to 15V  
- **Maximum Supply Voltage:** 16V (Absolute Maximum)  
- **Current Limit Adjustable:** Yes (via external sense resistor)  
- **Fault Protection:** Overcurrent, Undervoltage, and Overvoltage  
- **Operating Temperature Range:** -40°C to +85°C  
- **Gate Drive Output:** Controls external N-channel MOSFET  
- **Quiescent Current:** Typically 200µA  

### **Descriptions:**  
The LTC1645IS8 is a Hot Swap controller designed to safely insert and remove boards from live backplanes. It prevents excessive inrush current and provides fault protection for the power supply and connected circuitry.  

### **Features:**  
- **Hot Swap Capability:** Allows safe insertion and removal of boards.  
- **Adjustable Current Limit:** Configurable via an external sense resistor.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Overvoltage Protection:** Protects against excessive input voltage.  
- **Fault Timer:** Prevents prolonged current-limiting conditions.  
- **Power Good Output:** Indicates when the output is within regulation.  
- **Low Quiescent Current:** Minimizes power consumption.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Dual-Channel Hot Swap Controller/Power Sequencer

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