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LTC4252A-2CMS#PBF from LINEAR

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LTC4252A-2CMS#PBF

Manufacturer: LINEAR

Negative Voltage Hot Swap Controllers

Partnumber Manufacturer Quantity Availability
LTC4252A-2CMS#PBF,LTC4252A2CMSPBF LINEAR 92 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers The **LTC4252A-2CMS#PBF** is a Power over Ethernet (PoE) interface controller manufactured by **Linear Technology (now part of Analog Devices)**.

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC4252A-2CMS#PBF  
- **Package:** 10-Lead MSOP  
- **Type:** IEEE 802.3af Compliant PoE Interface Controller  
- **Operating Voltage Range:** 36V to 57V (for PoE input)  
- **Detection Voltage:** 2.7V to 10V  
- **Classification Current:** Programmable via external resistor  
- **Power Good Output:** Open-drain indicator  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Integrated detection and classification for IEEE 802.3af compliance  
  - Programmable inrush current control  
  - Thermal shutdown protection  
  - Under-voltage lockout (UVLO)  
  - Power MOSFET gate driver  

### **Descriptions and Features:**
- Designed for **Power Sourcing Equipment (PSE)** in PoE systems.  
- Provides **detection, classification, and power management** for connected Powered Devices (PDs).  
- Supports **IEEE 802.3af standard**, ensuring compatibility with compliant PDs.  
- Includes **programmable current limit** for inrush and steady-state operation.  
- **Low-power dissipation** with thermal shutdown protection.  
- **Compact MSOP-10 package** for space-constrained applications.  

This IC is commonly used in **PoE switches, midspans, and other PSE applications** requiring IEEE 802.3af compliance.  

*(Note: Always refer to the official datasheet for detailed electrical characteristics and application notes.)*

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