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LT3477EUF from LINEAR

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LT3477EUF

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LT3477EUF LINEAR 20 In Stock

Description and Introduction

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense The LT3477EUF is a step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 1.25V to 35V  
- **Output Current:** Up to 2.5A  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-Lead QFN (4mm × 4mm)  
- **Features:**  
  - Adjustable soft-start  
  - Current mode control  
  - Low dropout operation  
  - Shutdown current: <1µA  
  - Overcurrent and thermal protection  

### **Descriptions:**  
The LT3477EUF is a high-efficiency, monolithic buck regulator designed for applications requiring high output current and a wide input voltage range. It uses a constant-frequency, current-mode architecture for stable operation.  

### **Features:**  
- Wide input voltage range (4V to 36V)  
- High efficiency (up to 95%)  
- Adjustable output voltage (1.25V to 35V)  
- 1.2MHz switching frequency for compact designs  
- Low shutdown current (<1µA)  
- Integrated power switch and protection features  
- Thermal shutdown and overcurrent protection  

This regulator is suitable for automotive, industrial, and battery-powered applications.

Application Scenarios & Design Considerations

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense
Partnumber Manufacturer Quantity Availability
LT3477EUF LT 1310 In Stock

Description and Introduction

3A, DC/DC Converter with Dual Rail-to-Rail Current Sense The LT3477EUF is a dual step-down switching regulator 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 2.5A per channel (total 5A)  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 28-Lead QFN (5mm × 5mm)  
- **Features Independent Shutdown for Each Channel**  

### **Descriptions:**  
The LT3477EUF is a high-performance, dual-channel DC/DC converter designed for applications requiring high efficiency and compact power solutions. It integrates two step-down regulators with independent control, allowing flexible power management.  

### **Features:**  
- Dual independent step-down regulators  
- Low dropout operation (100% duty cycle)  
- Adjustable soft-start for each channel  
- Current mode control for fast transient response  
- Overcurrent and thermal protection  
- Synchronizable switching frequency  
- Low quiescent current in shutdown mode  

For detailed electrical characteristics, refer to the official datasheet.

Application Scenarios & Design Considerations

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

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