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LTC3721EUF-1 from LT

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LTC3721EUF-1

Manufacturer: LT

Push-Pull PWM Controller

Partnumber Manufacturer Quantity Availability
LTC3721EUF-1,LTC3721EUF1 LT 180 In Stock

Description and Introduction

Push-Pull PWM Controller The LTC3721EUF-1 is a PolyPhase synchronous buck switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 5V (adjustable)  
- **Switching Frequency:** 50kHz to 600kHz (programmable)  
- **Phase Configurations:** Supports 2-, 3-, or 4-phase operation  
- **Efficiency:** Up to 95%  
- **Current Sensing:** Uses inductor DCR or sense resistors  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 28-Lead QFN (5mm × 5mm)  

### **Descriptions:**  
- The LTC3721EUF-1 is designed for high-efficiency, multi-phase synchronous buck converters.  
- It provides precise output voltage regulation with excellent transient response.  
- The controller includes adaptive voltage positioning (AVP) for improved load step performance.  
- It supports current sharing between phases for balanced thermal performance.  

### **Features:**  
- **PolyPhase Operation:** Reduces input and output ripple current.  
- **Programmable Frequency:** Adjustable from 50kHz to 600kHz.  
- **Adaptive Voltage Positioning (AVP):** Enhances transient response.  
- **Differential Remote Sensing:** Ensures accurate output voltage regulation.  
- **Overcurrent Protection:** Prevents damage during fault conditions.  
- **Soft-Start:** Controlled startup to limit inrush current.  
- **Power Good Indicator:** Monitors output voltage status.  

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

Application Scenarios & Design Considerations

Push-Pull PWM Controller

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