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LT3477EUF#PBF from LINEAR

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LT3477EUF#PBF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LT3477EUF#PBF,LT3477EUFPBF LINEAR 1662 In Stock

Description and Introduction

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense The LT3477EUF#PBF is a step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 1.25V to 32V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-Lead QFN (4mm × 4mm)  

### **Descriptions:**
- The LT3477EUF#PBF is a **monolithic buck (step-down) switching regulator** with an integrated power switch.  
- It is designed for **high-efficiency, compact power supply solutions** in applications requiring a wide input voltage range.  
- Features **current-mode control** for stable operation under varying load conditions.  

### **Features:**
- **Wide Input Voltage Range (4V to 36V)** – Suitable for automotive, industrial, and battery-powered applications.  
- **1.5A Output Current** – Supports moderate power loads.  
- **High Switching Frequency (1.2MHz)** – Allows the use of small external components.  
- **Adjustable Output Voltage** – Set via an external resistor divider.  
- **Soft-Start Function** – Reduces inrush current during startup.  
- **Thermal Shutdown & Current Limit Protection** – Enhances reliability.  
- **Low Dropout Operation** – Maintains regulation even when the input voltage is close to the output voltage.  

This regulator is commonly used in **automotive systems, industrial controls, and portable electronics** where efficient power conversion is critical.

Application Scenarios & Design Considerations

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

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