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LTC3868EUH#PBF from LINEAR

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LTC3868EUH#PBF

Manufacturer: LINEAR

Low IQ, Dual 2-Phase Synchronous Step-Down Controller

Partnumber Manufacturer Quantity Availability
LTC3868EUH#PBF,LTC3868EUHPBF LINEAR 23 In Stock

Description and Introduction

Low IQ, Dual 2-Phase Synchronous Step-Down Controller The LTC3868EUH#PBF is a high-performance synchronous step-down DC/DC controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 38V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** 50kHz to 900kHz (adjustable)  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  
- **Control Method:** Constant-frequency current mode  

### **Descriptions:**  
The LTC3868EUH#PBF is designed for high-efficiency, high-current step-down applications. It features a constant-frequency current-mode architecture for excellent transient response and loop stability. The device supports adjustable switching frequency and can be synchronized to an external clock. It includes features like programmable soft-start, overcurrent protection, and thermal shutdown.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 38V  
- **Adjustable Output Voltage:** 0.8V to 5.5V  
- **High Efficiency:** Up to 95%  
- **Programmable Frequency:** 50kHz to 900kHz  
- **External Synchronization Capability**  
- **Programmable Soft-Start**  
- **Precision 0.8V Reference**  
- **Overcurrent and Thermal Protection**  
- **Low Shutdown Current (<1μA)**  

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

Application Scenarios & Design Considerations

Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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