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LTC3709EUH from LINEAR

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LTC3709EUH

Manufacturer: LINEAR

Fast 2-Phase, No RSENSE Synchronous DC/DC Controller with Tracking/Sequencing

Partnumber Manufacturer Quantity Availability
LTC3709EUH LINEAR 96 In Stock

Description and Introduction

Fast 2-Phase, No RSENSE Synchronous DC/DC Controller with Tracking/Sequencing The LTC3709EUH is a step-down DC/DC controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** 0.8V to 30V (adjustable)  
- **Switching Frequency:** Up to 600kHz (programmable)  
- **Maximum Output Current:** Depends on external MOSFETs (controller only)  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  

### **Descriptions:**
- The LTC3709EUH is a high-efficiency, synchronous step-down switching regulator controller.  
- It drives external N-channel MOSFETs to regulate output voltage with high efficiency.  
- Supports both forced continuous and Burst Mode® operation for improved efficiency at light loads.  
- Designed for applications requiring wide input voltage ranges, such as automotive, industrial, and telecom systems.  

### **Features:**
- **Wide Input Range:** Operates from 4V to 36V, making it suitable for various power sources.  
- **Programmable Frequency:** Allows optimization for efficiency or component size.  
- **Burst Mode® Operation:** Enhances light-load efficiency.  
- **Adjustable Soft-Start:** Prevents inrush current issues.  
- **Current Mode Control:** Provides fast transient response.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Short-Circuit Protection:** Enhances system reliability.  
- **Low Shutdown Current:** <1µA for power-saving applications.  

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

Application Scenarios & Design Considerations

Fast 2-Phase, No RSENSE Synchronous DC/DC Controller with Tracking/Sequencing
Partnumber Manufacturer Quantity Availability
LTC3709EUH LT 2225 In Stock

Description and Introduction

Fast 2-Phase, No RSENSE Synchronous DC/DC Controller with Tracking/Sequencing The LTC3709EUH is a high-efficiency, dual-phase synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** 50kHz to 850kHz (adjustable)  
- **Maximum Output Current:** Up to 25A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  

### **Descriptions:**  
- The LTC3709EUH is designed for high-current, high-efficiency applications.  
- It features dual-phase operation to reduce input and output ripple current.  
- Includes adjustable current limit and soft-start functionality.  
- Supports PolyPhase® operation for multi-phase configurations.  

### **Features:**  
- **Dual-Phase Operation:** Reduces input/output capacitance requirements.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Current Mode Control:** Ensures fast transient response.  
- **Power Good Output:** Monitors output voltage status.  
- **Synchronizable:** Can be synchronized to an external clock.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Thermal Protection:** Prevents overheating.  

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

Application Scenarios & Design Considerations

Fast 2-Phase, No RSENSE Synchronous DC/DC Controller with Tracking/Sequencing

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