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LTC4253CGN from LT

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15.625ms

LTC4253CGN

Manufacturer: LT

-48V Hot Swap Controller with Sequencer

Partnumber Manufacturer Quantity Availability
LTC4253CGN LT 887 In Stock

Description and Introduction

-48V Hot Swap Controller with Sequencer The LTC4253CGN is a Hot Swap controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
- Linear Technology (LT)  

### **Part Number:**  
- LTC4253CGN  

### **Description:**  
- The LTC4253CGN is a negative voltage Hot Swap controller designed to safely insert and remove circuit boards from live backplanes. It provides inrush current control, fault protection, and power good signaling.

### **Key Features:**  
- **Negative Voltage Operation:** Supports -48V applications.  
- **Programmable Current Limit:** Adjustable via an external sense resistor.  
- **Fast Response to Overcurrent:** Uses a circuit breaker-style response.  
- **Programmable Fault Timer:** Prevents nuisance tripping.  
- **Power Good Output:** Indicates when the output is within regulation.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Thermal Shutdown Protection:** Prevents damage from excessive heat.  
- **Wide Operating Range:** Suitable for -10V to -80V systems.  

### **Package:**  
- 16-Lead SSOP (GN)  

### **Applications:**  
- Telecom and networking equipment  
- Hot swap power supplies  
- Industrial and automotive systems  

For detailed electrical characteristics and application circuits, refer to the official datasheet.

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