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LTC3728LEGN-1#PBF from LINEAR

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LTC3728LEGN-1#PBF

Manufacturer: LINEAR

Dual, 550kHz, 2-Phase Synchronous Regulator

Partnumber Manufacturer Quantity Availability
LTC3728LEGN-1#PBF,LTC3728LEGN1PBF LINEAR 46 In Stock

Description and Introduction

Dual, 550kHz, 2-Phase Synchronous Regulator The LTC3728LEGN-1#PBF is a PolyPhase 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:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable from 50kHz to 600kHz  
- **Phase Configuration:** Supports 2-phase operation (expandable to 12 phases)  
- **Efficiency:** Up to 95%  
- **Current Sensing:** Uses inductor DCR or sense resistors  
- **Package:** 16-Lead SSOP  

### **Descriptions:**  
- Designed for high-efficiency, high-current applications  
- Uses a constant-frequency current-mode architecture  
- Features adaptive voltage positioning for improved transient response  
- Includes programmable soft-start and current limit  

### **Features:**  
- **PolyPhase Operation:** Reduces input and output ripple  
- **Adjustable Frequency:** Allows optimization for efficiency and component size  
- **Precision Reference:** ±1% voltage accuracy over temperature  
- **Synchronization:** Can sync to an external clock  
- **Protections:** Overcurrent, undervoltage lockout (UVLO), and thermal shutdown  

This regulator is suitable for high-performance power supply designs in industrial, telecom, and computing applications.

Application Scenarios & Design Considerations

Dual, 550kHz, 2-Phase Synchronous Regulator

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