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LTC3809EDD-1 from LINEAR

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LTC3809EDD-1

Manufacturer: LINEAR

No Rsense, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking

Partnumber Manufacturer Quantity Availability
LTC3809EDD-1,LTC3809EDD1 LINEAR 100 In Stock

Description and Introduction

No Rsense, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking The LTC3809EDD-1 is a high-efficiency, synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Programmable from 50kHz to 900kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions:**  
The LTC3809EDD-1 is designed for high-efficiency DC/DC conversion, utilizing a synchronous rectification architecture to minimize power loss. It features a constant-frequency current-mode control scheme for stable operation across a wide range of input and output conditions.  

### **Features:**  
- **High Efficiency:** Synchronous rectification improves efficiency.  
- **Wide Input Range:** Supports 4V to 36V operation.  
- **Programmable Frequency:** Allows optimization for efficiency or component size.  
- **Low Dropout Operation:** 100% duty cycle capability for low input-output differentials.  
- **Current Mode Control:** Ensures fast transient response and loop stability.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This regulator is suitable for industrial, automotive, and telecom applications requiring high-efficiency power conversion.

Application Scenarios & Design Considerations

No Rsense, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking
Partnumber Manufacturer Quantity Availability
LTC3809EDD-1,LTC3809EDD1 LT 2182 In Stock

Description and Introduction

No Rsense, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking The LTC3809EDD-1 is a high-efficiency, monolithic synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** 0.8V to 24V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 98%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions and Features:**  
- **High Efficiency:** Uses synchronous rectification for improved efficiency.  
- **Wide Input Range:** Supports 4V to 60V input, making it suitable for automotive, industrial, and telecom applications.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Low Quiescent Current:** Typically 100µA in shutdown mode.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Overtemperature Protection:** Enhances system reliability.  
- **Synchronization Capability:** Can sync to an external clock.  

The LTC3809EDD-1 is designed for high-power, high-efficiency DC/DC conversion applications.

Application Scenarios & Design Considerations

No Rsense, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking

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