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LT3439EFE from LT

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LT3439EFE

Manufacturer: LT

Slew Rate Controlled Ultralow Noise1A Isolated DC/DC Transformer Driver

Partnumber Manufacturer Quantity Availability
LT3439EFE LT 650 In Stock

Description and Introduction

Slew Rate Controlled Ultralow Noise1A Isolated DC/DC Transformer Driver The LT3439EFE is a high efficiency, monolithic step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.5V to 60V  
- **Output Voltage Range:** Adjustable from 1.25V to 20V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  

### **Descriptions & Features:**  
- **High Input Voltage Capability:** Supports input voltages up to 60V.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Maintains regulation with small headroom.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Wide Operating Temperature Range:** Suitable for industrial and automotive applications.  
- **Burst Mode® Operation:** Enhances efficiency at light loads.  

The LT3439EFE is designed for applications requiring high input voltage and efficient power conversion, such as automotive, industrial, and telecom systems.

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