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LTC3728LCGN from LT

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LTC3728LCGN

Manufacturer: LT

Dual, 550kHz, 2-Phase Synchronous Regulators

Partnumber Manufacturer Quantity Availability
LTC3728LCGN LT 251 In Stock

Description and Introduction

Dual, 550kHz, 2-Phase Synchronous Regulators The LTC3728LCGN is a PolyPhase synchronous buck switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 5V (adjustable)  
- **Switching Frequency:** 50kHz to 600kHz (programmable)  
- **Maximum Duty Cycle:** 98%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 24-Lead SSOP (LCGN)  

### **Descriptions:**
- The LTC3728LCGN is designed for high-efficiency, multi-phase synchronous buck converters.  
- It supports PolyPhase operation (2-phase or 3-phase) to reduce input and output ripple current.  
- Includes adaptive voltage positioning for improved transient response.  
- Features a current-mode architecture with programmable slope compensation.  

### **Features:**
- **True PolyPhase Operation:** Enables 2-phase or 3-phase operation for reduced ripple.  
- **Adaptive Voltage Positioning (AVP):** Enhances transient response.  
- **Programmable Switching Frequency:** Adjustable from 50kHz to 600kHz.  
- **Differential Remote Sensing:** Ensures accurate output voltage regulation.  
- **Current-Mode Control:** Provides fast transient response.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Power Good Output:** Monitors output voltage status.  
- **Overvoltage and Undervoltage Protection:** Enhances system reliability.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual, 550kHz, 2-Phase Synchronous Regulators

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