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LTC3735EUHF from LT

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LTC3735EUHF

Manufacturer: LT

2-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs

Partnumber Manufacturer Quantity Availability
LTC3735EUHF LT 52 In Stock

Description and Introduction

2-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs The LTC3735EUHF is a high-performance, dual-phase synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** 50kHz to 850kHz (adjustable)  
- **Maximum Output Current:** Up to 30A per phase (dependent on external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 38-Lead QFN (5mm × 7mm)  

### **Descriptions:**  
- The LTC3735EUHF is a dual-phase, synchronous buck controller designed for high-current applications.  
- It uses a constant-frequency current-mode architecture for precise regulation.  
- The device supports multi-phase operation to reduce input/output ripple and improve thermal performance.  
- It includes features for power sequencing, fault protection, and synchronization.  

### **Features:**  
- **Dual-Phase Operation:** Reduces input/output ripple and spreads heat dissipation.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Current-Mode Control:** Ensures fast transient response and stable operation.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent & Overtemperature Protection:** Enhances system reliability.  
- **Power Good Output:** Provides status indication for the output voltage.  
- **Synchronizable Clock Input:** Allows synchronization to an external clock.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

2-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs

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