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L6567 from STM,ST Microelectronics

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L6567

Manufacturer: STM

HIGH VOLTAGE DRIVER FOR CFL

Partnumber Manufacturer Quantity Availability
L6567 STM 655 In Stock

Description and Introduction

HIGH VOLTAGE DRIVER FOR CFL The L6567 is a power factor correction (PFC) controller manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 85V to 265V (AC)  
- **Output Voltage Range:** Adjustable (typically up to 400V DC)  
- **Operating Frequency:** Up to 300 kHz  
- **Supply Voltage (VCC):** 10.5V to 22V  
- **Quiescent Current:** 3 mA (typical)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
- The L6567 is a transition-mode (boundary conduction mode, BCM) PFC controller designed for boost converters.  
- It is optimized for high-efficiency, low-cost applications such as LED drivers, adapters, and power supplies.  
- The device includes an integrated multiplier, voltage error amplifier, and zero-current detector (ZCD) for accurate PFC operation.  

### **Features:**  
- **Transition-Mode PFC Operation:** Ensures high efficiency and low EMI.  
- **Internal Start-Up Timer:** Reduces external component count.  
- **Overvoltage Protection (OVP):** Protects against output voltage surges.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low supply conditions.  
- **Soft-Start Function:** Minimizes inrush current.  
- **Zero-Current Detection (ZCD):** Ensures boundary conduction mode operation.  
- **Totem-Pole Output:** Capable of driving an external MOSFET (up to 600mA source/sink current).  

The L6567 is available in SO-8 and DIP-8 packages.  

(Note: All details are based on STMicroelectronics' official documentation.)

Application Scenarios & Design Considerations

HIGH VOLTAGE DRIVER FOR CFL

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