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LTC3802EGN from LT

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LTC3802EGN

Manufacturer: LT

Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking

Partnumber Manufacturer Quantity Availability
LTC3802EGN LT 11 In Stock

Description and Introduction

Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking The LTC3802EGN is a high-efficiency, current-mode synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Programmable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 95%  
- **Current Limit:** Adjustable  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SSOP  

### **Descriptions:**  
The LTC3802EGN is designed to drive N-channel MOSFETs in a synchronous buck converter configuration. It features a constant-frequency current-mode architecture for stable operation and fast transient response. The IC includes adjustable soft-start, frequency synchronization, and shutdown capability.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Low Dropout Operation:** Maintains regulation with duty cycles up to 95%.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Synchronizable Clock Input:** Enables synchronization to an external clock.  
- **Current-Mode Control:** Improves loop stability and transient response.  
- **Thermal Shutdown Protection:** Prevents overheating.  

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

Application Scenarios & Design Considerations

Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking

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