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LTC3733CUHF-1 from LT

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LTC3733CUHF-1

Manufacturer: LT

3-Phase, Buck Controllers for AMD CPUs

Partnumber Manufacturer Quantity Availability
LTC3733CUHF-1,LTC3733CUHF1 LT 2912 In Stock

Description and Introduction

3-Phase, Buck Controllers for AMD CPUs The **LTC3733CUHF-1** is a high-performance synchronous step-down switching regulator controller manufactured by **Linear Technology (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Up to 600kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 38-Lead QFN (5mm × 7mm)  
- **Topology:** Synchronous Buck Controller  

### **Descriptions:**
- The **LTC3733CUHF-1** is a **dual-phase, synchronous step-down DC/DC controller** designed for high-efficiency power conversion.  
- It drives **N-channel MOSFETs** and supports **current-mode control** for fast transient response.  
- Suitable for **high-current applications** with precision output regulation.  

### **Features:**
- **Dual-Phase Operation:** Reduces input and output ripple current.  
- **Programmable Frequency:** Up to 600kHz (sync or adjustable).  
- **Current-Mode Control:** Ensures stable operation with excellent load/line regulation.  
- **100% Duty Cycle Capability:** Allows dropout operation.  
- **Adjustable Soft-Start:** Limits inrush current.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Overcurrent and Overtemperature Protection:** Enhances system reliability.  

This device is commonly used in **telecom, industrial, and computing applications** requiring high-efficiency power conversion.  

*(Data sourced from Linear Technology/Analog Devices documentation.)*

Application Scenarios & Design Considerations

3-Phase, Buck Controllers for AMD CPUs

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