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LTC3407EDD-4 from LT

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LTC3407EDD-4

Manufacturer: LT

Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator

Partnumber Manufacturer Quantity Availability
LTC3407EDD-4,LTC3407EDD4 LT 11 In Stock

Description and Introduction

Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator The LTC3407EDD-4 is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Fixed 1.8V (LTC3407EDD-4 variant)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** DFN-8 (3mm × 3mm)  

### **Descriptions and Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Burst Mode® Operation:** Enhances light-load efficiency.  
- **Low Dropout Operation:** Allows the output to stay in regulation even when the input voltage is close to the output.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Short-Circuit Protection:** Safeguards the device under fault conditions.  
- **Low Quiescent Current:** Typically 20µA in shutdown mode.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  

The LTC3407EDD-4 is commonly used in portable electronics, battery-powered devices, and other applications requiring efficient power conversion.

Application Scenarios & Design Considerations

Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator
Partnumber Manufacturer Quantity Availability
LTC3407EDD-4,LTC3407EDD4 LINEAR 2434 In Stock

Description and Introduction

Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator The LTC3407EDD-4 is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Fixed 1.8V (LTC3407EDD-4 variant)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 20µA (typical) in Burst Mode operation  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead DFN (3mm × 3mm)  

### **Descriptions:**
- The LTC3407EDD-4 is a constant-frequency, current-mode PWM buck regulator optimized for low-voltage, battery-powered applications.  
- It integrates synchronous rectification to minimize power loss and improve efficiency.  
- The fixed 1.8V output version eliminates the need for external feedback resistors.  

### **Features:**
- **Burst Mode® Operation:** Reduces quiescent current to 20µA for improved light-load efficiency.  
- **Low Dropout Operation:** Allows 100% duty cycle for extended battery life.  
- **Internal Synchronous Rectification:** No external Schottky diode required.  
- **Short-Circuit Protection:** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Small Footprint:** DFN package saves board space.  

This information is based solely on the manufacturer's datasheet. For detailed application notes or design considerations, refer to the official documentation.

Application Scenarios & Design Considerations

Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator

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