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LTC4251IS6#TRPBF from LT

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LTC4251IS6#TRPBF

Manufacturer: LT

Negative Voltage Hot Swap Controllers in SOT-23

Partnumber Manufacturer Quantity Availability
LTC4251IS6#TRPBF,LTC4251IS6TRPBF LT 1490 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers in SOT-23 The LTC4251IS6#TRPBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Package:** SOT-23-6  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage Range:** 2.9V to 14V  
- **Detection Voltage:** 2.7V to 10V  
- **Classification Current:** Adjustable via external resistor  
- **Compliance:** IEEE 802.3af PoE standard  

### **Descriptions:**  
The LTC4251IS6#TRPBF is a compact, low-power PoE controller designed for Powered Devices (PDs). It integrates detection, classification, and undervoltage lockout (UVLO) functions required for IEEE 802.3af compliance.  

### **Features:**  
- **Integrated Detection and Classification:** Supports IEEE 802.3af PoE standard.  
- **Adjustable Classification Current:** Set via an external resistor.  
- **Wide Input Voltage Range:** Operates from 2.9V to 14V.  
- **Low Power Consumption:** Minimizes power loss in PD applications.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Compact Package:** SOT-23-6 for space-constrained designs.  

This device is commonly used in PoE applications such as IP phones, wireless access points, and security cameras.

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