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L6569 from ST,ST Microelectronics

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L6569

Manufacturer: ST

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Partnumber Manufacturer Quantity Availability
L6569 ST 1000 In Stock

Description and Introduction

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR The L6569 is a power factor correction (PFC) 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:** 8.5V to 18V (VCC supply)  
- **Operating Frequency:** Up to 300 kHz  
- **Start-Up Current:** < 50 µA  
- **Quiescent Current:** < 6 mA  
- **Output Drive Capability:** ±600 mA (totem pole output)  
- **Overvoltage Protection (OVP):** Adjustable  
- **Undervoltage Lockout (UVLO):** Fixed at 8.5V (turn-on) and 7.6V (turn-off)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-16  

### **Descriptions:**  
- The L6569 is a transition-mode (boundary conduction mode, BCM) PFC controller designed for boost converters.  
- It ensures high power factor correction and low harmonic distortion in AC-DC power supplies.  
- The device includes features for enhanced performance, such as precise output voltage regulation and protection mechanisms.  

### **Features:**  
- **Transition-Mode PFC Operation:** Ensures high efficiency and low EMI.  
- **Multiplier-Based Control:** Provides accurate input current shaping.  
- **Adjustable Output Voltage Regulation:** Allows flexibility in design.  
- **Zero Current Detection (ZCD):** Ensures operation in boundary conduction mode.  
- **Internal Startup Timer:** Reduces external component count.  
- **Soft-Start Function:** Minimizes inrush current.  
- **Overvoltage Protection (OVP):** Prevents damage due to excessive output voltage.  
- **Under-Voltage Lockout (UVLO):** Ensures proper startup and shutdown.  

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

Application Scenarios & Design Considerations

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

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