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L6566A from ST,ST Microelectronics

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L6566A

Manufacturer: ST

Multi-mode controller for SMPS with PFC front-end

Partnumber Manufacturer Quantity Availability
L6566A ST 2500 In Stock

Description and Introduction

Multi-mode controller for SMPS with PFC front-end The L6566A is a high-voltage resonant controller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Input Voltage Range:** Up to 600V (high-voltage startup)  
- **Operating Frequency Range:** Adjustable, typically up to 500kHz  
- **Output Drive Capability:** 0.5A source / 1A sink  
- **Supply Voltage (VCC):** 8.6V to 18V  
- **Quiescent Current:** Typically 3mA  
- **Protection Features:** Overvoltage protection (OVP), brownout protection, latched or auto-restart overcurrent protection (OCP)  
- **Package Options:** SO-16  

### **Descriptions:**  
The L6566A is a high-performance resonant mode controller designed for LLC resonant half-bridge topologies. It is optimized for high-efficiency power supply applications, including AC-DC adapters, LED drivers, and industrial power supplies. The IC integrates advanced control features to ensure stable operation and high power conversion efficiency.  

### **Features:**  
- **Resonant Mode Operation:** Enables soft switching for improved efficiency.  
- **Adjustable Dead Time:** Optimizes switching performance.  
- **Frequency Modulation Control:** Ensures stable operation under varying load conditions.  
- **High-Voltage Startup:** Eliminates the need for an external startup circuit.  
- **Protections:** Includes OVP, OCP, and brownout protection for enhanced reliability.  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Multi-mode controller for SMPS with PFC front-end

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