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LTC3776EUF from LINEAR

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LTC3776EUF

Manufacturer: LINEAR

Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination

Partnumber Manufacturer Quantity Availability
LTC3776EUF LINEAR 200 In Stock

Description and Introduction

Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination The LTC3776EUF is a high-efficiency, 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:** 0.8V to 24V  
- **Switching Frequency:** Adjustable from 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 × 5mm)  

### **Descriptions:**  
- The LTC3776EUF is a synchronous step-down switching regulator controller designed for high-power applications.  
- It drives external N-channel MOSFETs in a synchronous rectified buck topology.  
- Features a constant-frequency current-mode architecture for stable operation.  
- Includes adjustable soft-start, power good indicator, and precision reference.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 38V operation.  
- **High Efficiency:** Uses synchronous rectification for reduced power loss.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Current Mode Control:** Ensures fast transient response and loop stability.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Power Good Output:** Monitors output voltage status.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Thermal Protection:** Prevents overheating damage.  

The LTC3776EUF is suitable for industrial, automotive, and telecom applications requiring high-efficiency power conversion.

Application Scenarios & Design Considerations

Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination
Partnumber Manufacturer Quantity Availability
LTC3776EUF LT 10 In Stock

Description and Introduction

Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination The LTC3776EUF is a high-efficiency, synchronous step-down DC/DC controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4.5V to 38V  
- **Output Voltage Range:** 0.8V up to 90% of VIN  
- **Switching Frequency:** Programmable from 50kHz to 900kHz  
- **Maximum Output Current:** Up to 20A (dependent on external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 24-Lead QFN (4mm × 4mm)  

### **Descriptions and Features:**  
- **Synchronous Operation:** Uses external N-channel MOSFETs for high efficiency.  
- **Wide Input Range:** Supports applications from 4.5V to 38V.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Integrated Gate Drivers:** Simplifies MOSFET driving.  
- **Low Dropout Operation:** Allows 100% duty cycle for low dropout conditions.  
- **Power Good Output:** Monitors output voltage status.  
- **Thermal Shutdown Protection:** Prevents overheating.  

The LTC3776EUF is designed for high-power applications such as industrial, automotive, and telecom systems requiring high efficiency and wide input voltage ranges.  

Would you like additional details on any specific feature?

Application Scenarios & Design Considerations

Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination

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