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LTC4258CGW from LT

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LTC4258CGW

Manufacturer: LT

Quad IEEE 802.3af Power over Ethernet Controller with Integrated Detection

Partnumber Manufacturer Quantity Availability
LTC4258CGW LT 96 In Stock

Description and Introduction

Quad IEEE 802.3af Power over Ethernet Controller with Integrated Detection The LTC4258CGW is a Hot Swap controller manufactured by Linear Technology (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

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

### **Part Number:**  
LTC4258CGW  

### **Description:**  
The LTC4258CGW is a negative voltage Hot Swap controller designed to safely power and manage boards in -48V systems. It provides inrush current control, circuit breaker functionality, and power-good signaling.

### **Key Features:**  
- **Operating Voltage Range:** -10V to -80V  
- **Programmable Inrush Current Control**  
- **Adjustable Circuit Breaker Threshold**  
- **Power-Good (PWRGD) Output**  
- **Undervoltage Lockout (UVLO)**  
- **Overcurrent Protection with Fast Response**  
- **Fault Timer for Circuit Breaker Operation**  
- **Available in 16-Lead SSOP Package**  

### **Applications:**  
- Telecom and Networking Equipment  
- -48V Distributed Power Systems  
- Industrial and Automotive Systems  

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

### **Additional Notes:**  
- The device ensures safe board insertion and removal in high-availability systems.  
- It provides protection against short circuits and excessive inrush currents.  

For further details, refer to the official datasheet from Analog Devices (formerly Linear Technology).

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