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L6571A from ST,ST Microelectronics

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L6571A

Manufacturer: ST

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Partnumber Manufacturer Quantity Availability
L6571A ST 2500 In Stock

Description and Introduction

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR The L6571A is a high-voltage resonant controller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Input Voltage Range:** Up to 600V  
- **Operating Frequency Range:** Adjustable up to 500 kHz  
- **Supply Voltage (VCC):** 12V to 20V  
- **Driver Output Current:** ±400 mA (source/sink)  
- **Protection Features:** Overvoltage protection (OVP), overload protection (OLP), brownout protection, and latched or auto-restart fault management  
- **Package:** SO-16  

### **Descriptions:**  
The L6571A is designed for half-bridge resonant converters, particularly in applications like electronic ballasts, LCD/LED TV power supplies, and industrial power systems. It integrates high-voltage circuitry with advanced control logic for efficient resonant mode operation.  

### **Features:**  
- **High-Voltage Startup Circuit:** Reduces external component count.  
- **Adjustable Dead Time:** Optimizes efficiency in resonant topologies.  
- **Soft-Start Function:** Ensures smooth power-up.  
- **Frequency Modulation:** Enables precise control of the resonant converter.  
- **Protection Mechanisms:** Includes OVP, OLP, and brownout detection for system reliability.  
- **Low-Power Consumption:** Suitable for energy-efficient designs.  

For exact electrical characteristics and application details, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

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