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LTC4261CUFD#PBF from LT

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LTC4261CUFD#PBF

Manufacturer: LT

Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring

Partnumber Manufacturer Quantity Availability
LTC4261CUFD#PBF,LTC4261CUFDPBF LT 1168 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring The LTC4261CUFD#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Package:** 28-Lead QFN (4mm x 5mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 36V to 57V (PoE compliant)  
- **Output Voltage:** Adjustable  
- **Compliance:** IEEE 802.3af/at compliant  
- **Power Classification:** Supports PD (Powered Device) classification  
- **Integrated Features:**  
  - Detection signature  
  - Classification signature  
  - Inrush current limiting  
  - Programmable current limit  
  - Thermal shutdown protection  

### **Descriptions:**  
The LTC4261CUFD#PBF is a PoE interface controller designed for IEEE 802.3af/at compliant Powered Devices (PDs). It provides a complete solution for PDs requiring power from a Power Sourcing Equipment (PSE). The device includes detection, classification, and inrush current control, ensuring safe and reliable power delivery.  

### **Features:**  
- **IEEE 802.3af/at Compliant:** Supports detection and classification.  
- **Wide Input Voltage Range:** 36V to 57V.  
- **Programmable Current Limit:** Adjustable for different power levels.  
- **Inrush Current Limiting:** Prevents excessive current during startup.  
- **Thermal Protection:** Shuts down in case of overheating.  
- **Compact Package:** 28-lead QFN for space-constrained applications.  

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

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