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LTC3721EGN-1 from LT

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LTC3721EGN-1

Manufacturer: LT

Push-Pull PWM Controller

Partnumber Manufacturer Quantity Availability
LTC3721EGN-1,LTC3721EGN1 LT 100 In Stock

Description and Introduction

Push-Pull PWM Controller The LTC3721EGN-1 is a PolyPhase synchronous buck switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Up to 550kHz per phase  
- **Number of Phases:** Supports 2-phase operation (expandable to 12 phases)  
- **Efficiency:** High efficiency due to synchronous rectification  
- **Package:** 16-Lead SSOP (GN)  

### **Descriptions:**  
The LTC3721EGN-1 is designed for high-current, high-efficiency DC-DC conversion applications. It features a PolyPhase architecture, which reduces input and output ripple current while improving transient response. The controller includes MOSFET drivers and supports current-mode control for precise regulation.  

### **Features:**  
- **PolyPhase Operation:** Reduces input/output ripple and spreads thermal dissipation  
- **Programmable Frequency:** Up to 550kHz per phase  
- **Current-Mode Control:** Ensures fast transient response  
- **Adjustable Output Voltage:** Via external resistors  
- **Overcurrent Protection:** Prevents damage under fault conditions  
- **Soft-Start:** Reduces inrush current  
- **Wide Input Range:** Suitable for various power sources  
- **Synchronous Rectification:** Enhances efficiency  

This controller is commonly used in high-power applications such as servers, telecom systems, and industrial power supplies.

Application Scenarios & Design Considerations

Push-Pull PWM Controller

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