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LTC3869EUFD#PBF from LINEAR

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LTC3869EUFD#PBF

Manufacturer: LINEAR

Dual, 2-Phase Synchronous Step-Down DC/DC Controllers

Partnumber Manufacturer Quantity Availability
LTC3869EUFD#PBF,LTC3869EUFDPBF LINEAR 292 In Stock

Description and Introduction

Dual, 2-Phase Synchronous Step-Down DC/DC Controllers The LTC3869EUFD#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:** 0.6V to 5.5V  
- **Switching Frequency Range:** 50kHz to 900kHz  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 28-Lead QFN (5mm x 5mm)  
- **Control Method:** Current mode control  
- **Features:** Adjustable frequency, external synchronization, programmable soft-start, and tracking  

### **Descriptions:**  
The LTC3869EUFD#PBF is a versatile synchronous buck controller designed for high-efficiency power conversion. It supports a wide input voltage range and is suitable for applications requiring precise voltage regulation.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 38V)**  
- **Adjustable Output Voltage (0.6V to 5.5V)**  
- **Programmable Switching Frequency (50kHz to 900kHz)**  
- **External Synchronization Capability**  
- **Precision 0.6V Reference Voltage**  
- **Programmable Soft-Start**  
- **Overcurrent and Overtemperature Protection**  
- **Low Shutdown Current (<1µA)**  
- **Current Mode Control for Fast Transient Response**  
- **Phase-Lockable Frequency for Noise-Sensitive Applications**  

This controller is commonly used in industrial, automotive, and telecom power supply applications.

Application Scenarios & Design Considerations

Dual, 2-Phase Synchronous Step-Down DC/DC Controllers

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