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LT3477IUF from LINEAR

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LT3477IUF

Manufacturer: LINEAR

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense

Partnumber Manufacturer Quantity Availability
LT3477IUF LINEAR 23 In Stock

Description and Introduction

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense The LT3477IUF is a dual step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 36V  
- **Output Voltage Range:** Adjustable from 1.22V to 35V  
- **Output Current:** Up to 1.5A per channel  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 28-Lead QFN (4mm x 5mm)  

### **Descriptions:**  
- The LT3477IUF is a dual monolithic buck regulator with internal power switches.  
- It features independent shutdown and soft-start for each channel.  
- Designed for low EMI and high efficiency in compact applications.  

### **Features:**  
- Dual independent step-down regulators  
- Integrated power switches (NPN and PNP)  
- Adjustable switching frequency synchronization  
- Programmable soft-start  
- Current mode control for fast transient response  
- Low shutdown current (<1µA)  
- Overcurrent and thermal protection  

This device is commonly used in automotive, industrial, and battery-powered applications.

Application Scenarios & Design Considerations

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense

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