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LT3799EMSE#PBF from LINEAR

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LT3799EMSE#PBF

Manufacturer: LINEAR

Offline Isolated Flyback LED Controller with Active PFC

Partnumber Manufacturer Quantity Availability
LT3799EMSE#PBF,LT3799EMSEPBF LINEAR 37 In Stock

Description and Introduction

Offline Isolated Flyback LED Controller with Active PFC The LT3799EMSE#PBF is a high-voltage, high-current LED driver IC manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 100V  
- **Output Voltage Range:** Up to 100V  
- **Output Current:** Up to 10A  
- **Switching Frequency:** Adjustable (100kHz to 1MHz)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** MSOP-16 (Exposed Pad)  

### **Descriptions:**  
The LT3799EMSE#PBF is a synchronous step-down DC/DC converter designed for driving high-power LEDs. It integrates a high-side N-channel MOSFET and supports both PWM and analog dimming. The device operates in constant-current mode, ensuring stable LED brightness.  

### **Features:**  
- **Wide Input/Output Voltage Range:** Supports high-voltage LED strings.  
- **High Efficiency:** Up to 96% with synchronous rectification.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **PWM & Analog Dimming:** Supports precise brightness control.  
- **Integrated MOSFET:** Simplifies design and reduces external components.  
- **Thermal Protection:** Prevents overheating.  
- **Open/Short LED Protection:** Enhances reliability.  
- **Constant-Current Regulation:** Ensures uniform LED brightness.  

This IC is commonly used in automotive, industrial, and architectural lighting applications.

Application Scenarios & Design Considerations

Offline Isolated Flyback LED Controller with Active PFC

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