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LTC3850EGN#TRPBF from LT

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LTC3850EGN#TRPBF

Manufacturer: LT

Dual, 2-Phase Synchronous Step-Down Switching Controller

Partnumber Manufacturer Quantity Availability
LTC3850EGN#TRPBF,LTC3850EGNTRPBF LT 4262 In Stock

Description and Introduction

Dual, 2-Phase Synchronous Step-Down Switching Controller The LTC3850EGN#TRPBF 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:** 50kHz to 900kHz (programmable)  
- **Maximum Duty Cycle:** 98%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 24-Lead SSOP  

### **Descriptions:**  
The LTC3850EGN#TRPBF is a synchronous step-down DC/DC controller designed for high-efficiency power conversion. It drives N-channel MOSFETs and provides precise output voltage regulation. It supports a wide input voltage range, making it suitable for various applications, including industrial, automotive, and telecom systems.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Programmable Frequency:** Adjustable switching frequency from 50kHz to 900kHz.  
- **Phase-Lockable:** Can synchronize to an external clock.  
- **Precision Reference:** ±1% output voltage accuracy.  
- **Current Mode Control:** Ensures fast transient response.  
- **Soft-Start:** Adjustable to minimize inrush current.  
- **Overcurrent Protection:** Uses MOSFET RDS(ON) sensing for cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects the device from overheating.  

This controller is ideal for powering FPGAs, ASICs, and other high-performance digital loads.

Application Scenarios & Design Considerations

Dual, 2-Phase Synchronous Step-Down Switching Controller

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