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L6668TR from ST,ST Microelectronics

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L6668TR

Manufacturer: ST

SMART PRIMARY CONTROLLER

Partnumber Manufacturer Quantity Availability
L6668TR ST 70000 In Stock

Description and Introduction

SMART PRIMARY CONTROLLER The part **L6668TR** is manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Description:**  
The **L6668TR** is a **high-voltage resonant controller** designed for **LLC resonant half-bridge topologies**. It is optimized for **high-efficiency power supplies** and provides advanced control features for resonant conversion applications.  

### **Key Features:**  
- **Input Voltage Range:** Up to **600V** (high-voltage startup)  
- **Operating Frequency Range:** Adjustable, typically **20kHz to 500kHz**  
- **Half-Bridge Gate Driver Outputs:** Up to **0.5A source / 1A sink**  
- **Adaptive Dead-Time Control:** Ensures **zero-voltage switching (ZVS)**  
- **Burst Mode Operation:** Improves **light-load efficiency**  
- **Programmable Soft-Start:** For smooth power-up  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Overcurrent protection (OCP)  
  - Undervoltage lockout (UVLO)  
  - Thermal shutdown  
- **Package:** **SO-16** (Surface Mount)  

### **Applications:**  
- **AC-DC power supplies**  
- **LED drivers**  
- **Server & telecom power systems**  
- **Industrial power converters**  

This information is based on STMicroelectronics' official documentation for the **L6668TR**. For detailed electrical characteristics, refer to the datasheet.

Application Scenarios & Design Considerations

SMART PRIMARY CONTROLLER

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