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L6563 from ST,ST Microelectronics

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L6563

Manufacturer: ST

Advanced transition-mode PFC controller

Partnumber Manufacturer Quantity Availability
L6563 ST 59 In Stock

Description and Introduction

Advanced transition-mode PFC controller The L6563 is a current-mode PFC controller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 85 V to 265 V (AC)  
- **Output Voltage Regulation:** Adjustable (typically up to 400 V DC)  
- **Operating Frequency:** Up to 300 kHz  
- **Start-Up Current:** < 50 µA  
- **Quiescent Current:** < 5 mA  
- **Maximum Duty Cycle:** 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** SO-8, DIP-8  

### **Descriptions:**  
- The L6563 is a transition-mode (boundary conduction mode, BCM) power factor correction (PFC) controller.  
- It is designed for boost PFC pre-regulators in AC-DC adapters, LED drivers, and SMPS applications.  
- The device ensures near-unity power factor and low THD (Total Harmonic Distortion).  
- It includes an internal start-up timer, overvoltage protection (OVP), and a zero-current detector (ZCD).  

### **Features:**  
- **Transition-Mode Operation:** Ensures high efficiency and low EMI.  
- **Multiplier with THD Optimizer:** Reduces input current distortion.  
- **Voltage Feedforward:** Improves line regulation.  
- **Disable Function:** Low-power shutdown mode.  
- **Overvoltage Protection (OVP):** Prevents output overvoltage conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Zero-Current Detection (ZCD):** Enables boundary conduction mode operation.  

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

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