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LTC1709EG-8.5 from LINEAR

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LTC1709EG-8.5

Manufacturer: LINEAR

2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LTC1709EG-8.5,LTC1709EG85 LINEAR 163 In Stock

Description and Introduction

2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator The LTC1709EG-8.5 is a high-efficiency, dual-phase synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage:** Adjustable down to 0.8V  
- **Fixed Output Voltage Option:** 8.5V (LTC1709EG-8.5 variant)  
- **Switching Frequency:** 550kHz (programmable)  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 28-Lead SSOP  

### **Descriptions:**
- The LTC1709EG-8.5 is a dual-phase, synchronous step-down DC/DC controller designed for high-current applications.  
- It uses a constant-frequency current-mode architecture for precise regulation and fast transient response.  
- The dual-phase operation reduces input and output ripple, improving efficiency and thermal performance.  
- It includes adjustable current limiting, soft-start, and power-good monitoring.  

### **Features:**
- **Dual-Phase Operation:** Reduces input/output ripple and component stress.  
- **Programmable Frequency:** Up to 550kHz for optimized efficiency and size.  
- **Current-Mode Control:** Ensures fast transient response and stable operation.  
- **Adjustable Current Limit:** Protects external MOSFETs and load.  
- **Power-Good Output:** Monitors output voltage status.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Wide Input Range:** Supports 4.5V to 36V input.  

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

Application Scenarios & Design Considerations

2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator

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