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L6569D from ST,ST Microelectronics

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L6569D

Manufacturer: ST

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Partnumber Manufacturer Quantity Availability
L6569D ST 5 In Stock

Description and Introduction

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR The L6569D 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:** Wide range (typically for universal mains: 85V to 265V AC)  
- **Output Voltage Regulation:** Adjustable via external components  
- **Switching Frequency:** Up to 300 kHz  
- **Operating Supply Voltage (VCC):** 10.3V to 22V  
- **Quiescent Current:** 4 mA (typical)  
- **Start-up Current:** 70 µA (typical)  
- **Maximum Duty Cycle:** 94%  
- **Peak Current Limiting:** Yes  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-16  

### **Descriptions:**  
- The L6569D is a high-performance, transition-mode (boundary conduction mode) PFC controller.  
- It is designed for power factor correction in AC-DC converters, ensuring compliance with international standards (IEC 61000-3-2).  
- The device operates in fixed-off-time control mode, ensuring high efficiency and low distortion.  

### **Features:**  
- **Current-Mode Control:** Ensures stable operation and fast transient response.  
- **Zero-Current Detection (ZCD):** Enables transition-mode operation for high efficiency.  
- **Overvoltage Protection (OVP):** Protects against output voltage surges.  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Soft-Start Function:** Reduces inrush current during start-up.  
- **Low Distortion:** Optimized multiplier ensures near-unity power factor.  
- **Totem-Pole Output:** Capable of driving a power MOSFET directly.  

This information is strictly based on the manufacturer's datasheet for the L6569D.

Application Scenarios & Design Considerations

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

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