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L6566ATR from ST,ST Microelectronics

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L6566ATR

Manufacturer: ST

Multi-mode controller for SMPS with PFC front-end

Partnumber Manufacturer Quantity Availability
L6566ATR ST 5000 In Stock

Description and Introduction

Multi-mode controller for SMPS with PFC front-end The L6566ATR is a high-voltage resonant controller manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 8.6V to 18V (VCC)  
- **High-Voltage Startup Circuit:** Up to 500V  
- **Operating Frequency Range:** 20kHz to 300kHz  
- **Output Drive Capability:** 400mA source / 800mA sink  
- **Standby Power Consumption:** < 100mW  
- **Protection Features:** Overvoltage (OVP), Overcurrent (OCP), Undervoltage Lockout (UVLO), and Latch-off for faults  
- **Package:** SO-16  

### **Descriptions:**  
The L6566ATR is a resonant-mode controller designed for high-efficiency power supplies, particularly in LLC resonant half-bridge topologies. It integrates a high-voltage startup circuit, reducing external component count. The device ensures zero-voltage switching (ZVS) for improved efficiency and includes comprehensive protection mechanisms.  

### **Features:**  
- **Resonant Half-Bridge Control:** Optimized for LLC converters.  
- **Adaptive Dead-Time Management:** Ensures ZVS operation.  
- **Programmable Operating Frequency:** Adjustable via external components.  
- **Soft-Start Function:** Reduces inrush current.  
- **Burst Mode Operation:** Enhances light-load efficiency.  
- **Latched or Auto-Recovery Protection:** Configurable fault response.  
- **Low-Power Consumption:** Suitable for energy-efficient designs.  

This information is strictly based 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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