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LTC3859AEFE#PBF from LINEAR

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LTC3859AEFE#PBF

Manufacturer: LINEAR

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation

Partnumber Manufacturer Quantity Availability
LTC3859AEFE#PBF,LTC3859AEFEPBF LINEAR 14 In Stock

Description and Introduction

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation The LTC3859AEFE#PBF is a high-performance synchronous step-down switching regulator 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 (adjustable)  
- **Switching Frequency Range:** 50kHz to 900kHz (programmable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 28-Lead TSSOP (FE)  
- **Topology:** Synchronous Buck Controller  
- **Current Mode Control:** Yes  
- **Phase-Lockable Frequency:** Yes  
- **Efficiency:** Up to 95%  
- **Number of Phases:** Single  

### **Descriptions:**  
The LTC3859AEFE#PBF is a versatile synchronous step-down DC/DC controller designed for high-efficiency power conversion. It features a wide input voltage range, making it suitable for various applications, including industrial, automotive, and telecom systems. The controller supports external MOSFETs for high-current applications and provides precise output voltage regulation.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 38V)**  
- **Programmable Frequency (50kHz to 900kHz)**  
- **Phase-Lockable Switching Frequency**  
- **Adjustable Output Voltage (0.8V to 5.5V)**  
- **High Efficiency (up to 95%)**  
- **Current Mode Control for Fast Transient Response**  
- **External Synchronization Capability**  
- **Programmable Soft-Start**  
- **Overcurrent and Overtemperature Protection**  
- **Low Shutdown Current (<1μA)**  

This device is ideal for applications requiring high efficiency, precise regulation, and robust power management.

Application Scenarios & Design Considerations

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation

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