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LTC3805EDD-5#PBF from LINEAR

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LTC3805EDD-5#PBF

Manufacturer: LINEAR

Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller

Partnumber Manufacturer Quantity Availability
LTC3805EDD-5#PBF,LTC3805EDD5PBF LINEAR 103 In Stock

Description and Introduction

Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller The LTC3805EDD-5#PBF is a high-efficiency, monolithic synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage:** Adjustable down to 0.8V  
- **Switching Frequency:** Up to 1MHz (programmable)  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  
- **Topology:** Synchronous Buck Controller  
- **Current Mode Control:** Yes  
- **Efficiency:** Up to 95%  
- **Maximum Duty Cycle:** 100%  
- **Low Shutdown Current:** <1µA  

### **Descriptions:**  
The LTC3805EDD-5#PBF is designed for high-efficiency, step-down DC/DC conversion applications. It drives external N-channel MOSFETs and operates in current mode for fast transient response and stable loop performance. It includes features like programmable soft-start, adjustable switching frequency, and overcurrent protection.  

### **Features:**  
- **Wide Input Voltage Range:** 4V to 30V  
- **High Efficiency Synchronous Operation**  
- **Adjustable Output Voltage (Down to 0.8V)**  
- **Programmable Frequency (Up to 1MHz)**  
- **Current Mode Control for Excellent Line/Load Regulation**  
- **100% Duty Cycle for Low Dropout Operation**  
- **Programmable Soft-Start**  
- **Low Shutdown Current (<1µA)**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  

This regulator is suitable for applications such as telecom, industrial power supplies, and distributed power systems.

Application Scenarios & Design Considerations

Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller

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