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LTC4252A-1CMS#PBF from LINEAR

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LTC4252A-1CMS#PBF

Manufacturer: LINEAR

Negative Voltage Hot Swap Controllers

Partnumber Manufacturer Quantity Availability
LTC4252A-1CMS#PBF,LTC4252A1CMSPBF LINEAR 132 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers The LTC4252A-1CMS#PBF is a Power over Ethernet (PoE) interface controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Package:** 10-Lead MSOP  
- **Operating Temperature Range:** -40°C to 85°C  
- **Input Voltage Range:** 36V to 57V (PoE compliant)  
- **Detection Voltage:** 2.7V to 10V  
- **Classification Current:** Programmable (IEEE 802.3af compliant)  
- **Power Good Output:** Yes  
- **Integrated Power MOSFET:** No (requires external FET)  
- **Compliance:** IEEE 802.3af  

### **Descriptions:**  
The LTC4252A-1CMS#PBF is a PoE controller designed for Power Sourcing Equipment (PSE). It provides detection, classification, and power management for connected Powered Devices (PDs) in a PoE system.  

### **Features:**  
- IEEE 802.3af compliant  
- Programmable classification current  
- Detection signature verification  
- Power good output  
- Low quiescent current  
- Thermal shutdown protection  
- Supports both 2-event and 4-event classification  

This device is commonly used in PoE switches, midspans, and other PSE applications.

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