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LTC4300A-3CMS8 from LT

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15.625ms

LTC4300A-3CMS8

Manufacturer: LT

Level Shifting Hot Swappable 2-Wire Bus Buffer with Enable

Partnumber Manufacturer Quantity Availability
LTC4300A-3CMS8 ,LTC4300A3CMS8 LT 43 In Stock

Description and Introduction

Level Shifting Hot Swappable 2-Wire Bus Buffer with Enable The LTC4300A-3CMS8 is a hot-swappable 2-wire bus buffer manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (LT)  
- **Package:** 8-Lead MSOP  
- **Operating Voltage Range:** 2.7V to 5.5V  
- **I²C Bus Capacitance Buffering:** Isolates capacitance to allow more devices on the bus  
- **Rise Time Accelerators:** Improves bus speed by actively pulling up signals  
- **Low Supply Current:** 1.5mA (typical)  
- **Enable Pin:** Allows for software-controlled connection/disconnection  
- **Operating Temperature Range:** -40°C to +85°C  
- **Fault Protection:** Withstands bus voltages from -5V to +10V  

### **Descriptions:**  
The LTC4300A-3CMS8 is a bidirectional buffer for I²C and SMBus systems, designed to isolate capacitance and prevent bus lock-up during live board insertion (hot-swapping). It supports level translation between buses operating at different voltages (2.7V to 5.5V).  

### **Features:**  
- **Hot-Swappable I²C/SMBus Buffer**  
- **Level Shifting for Mixed-Voltage Buses**  
- **Prevents Bus Lock-Up During Insertion**  
- **Rise Time Accelerators for Faster Bus Speeds**  
- **High Noise Margin (30mV Hysteresis)**  
- **Low Offset Voltage (5mV max)**  
- **Stuck Bus Recovery**  
- **Backpowering Protection**  

This device is commonly used in applications requiring robust I²C/SMBus communication, such as servers, telecom equipment, and industrial systems.

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