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LT3755IUD#PBF from LINEAR

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LT3755IUD#PBF

Manufacturer: LINEAR

40VIN, 75VOUT LED Controllers

Partnumber Manufacturer Quantity Availability
LT3755IUD#PBF LINEAR 134 In Stock

Description and Introduction

40VIN, 75VOUT LED Controllers The LT3755IUD#PBF is a high voltage DC/DC controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 100V  
- **Output Voltage Range:** Up to 100V (adjustable)  
- **Switching Frequency Range:** 100kHz to 1MHz  
- **Peak Current Sense Threshold:** 100mV  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 28-Lead QFN (5mm x 5mm)  

### **Descriptions:**  
- The LT3755 is a high-performance DC/DC controller designed for boost, flyback, SEPIC, and inverting topologies.  
- It features a wide input voltage range, making it suitable for automotive, industrial, and telecom applications.  
- The device includes a high-side current sense amplifier for accurate current monitoring.  
- It supports external MOSFETs for high-power applications.  

### **Features:**  
- **Wide Input Range:** Operates from 4.5V to 100V.  
- **Adjustable Frequency:** 100kHz to 1MHz for efficiency optimization.  
- **High-Side Current Sensing:** Enables precise current regulation.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Synchronizable:** Can sync to an external clock.  
- **Thermal Protection:** Prevents overheating.  
- **Low Shutdown Current:** <1µA for power-saving modes.  

This device is ideal for applications requiring high voltage conversion, such as LED drivers, battery charging, and industrial power supplies.

Application Scenarios & Design Considerations

40VIN, 75VOUT LED Controllers

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