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LT3575EFE#PBF from LINEAR

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LT3575EFE#PBF

Manufacturer: LINEAR

Isolated Flyback Converter without an Opto-Coupler

Partnumber Manufacturer Quantity Availability
LT3575EFE#PBF,LT3575EFEPBF LINEAR 22 In Stock

Description and Introduction

Isolated Flyback Converter without an Opto-Coupler The LT3575EFE#PBF is a switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3V to 40V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 1.5A (switch current limit)  
- **Switching Frequency:** 525kHz (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  
- **Topology:** Flyback, SEPIC, or Boost  
- **Features:**  
  - Integrated 1.5A, 60V Power Switch  
  - No Opto-Coupler Required for Isolated Designs  
  - Adjustable Soft-Start  
  - Frequency Synchronization  
  - Programmable Current Limit  
  - Thermal Shutdown  

### **Descriptions:**  
The LT3575EFE#PBF is a monolithic switching regulator designed for isolated and non-isolated power supply applications. It integrates a high-voltage power switch and control circuitry, simplifying flyback and SEPIC converter designs.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 3V to 40V operation.  
- **Integrated Power Switch:** Eliminates the need for an external MOSFET.  
- **Isolated Feedback:** Uses the primary-side flyback signal for regulation, removing the need for an opto-coupler.  
- **Adjustable Soft-Start:** Prevents inrush current issues.  
- **Frequency Synchronization:** Allows synchronization to an external clock.  
- **Thermal Protection:** Shuts down if excessive temperature is detected.  

This part is suitable for applications such as industrial power supplies, telecom systems, and automotive electronics.

Application Scenarios & Design Considerations

Isolated Flyback Converter without an Opto-Coupler

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