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L6571B from ST,ST Microelectronics

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L6571B

Manufacturer: ST

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Partnumber Manufacturer Quantity Availability
L6571B ST 6250 In Stock

Description and Introduction

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR The L6571B 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  
- **Half-Bridge Gate Driver:** Yes  
- **Soft-Start Function:** Yes  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Thermal shutdown  
- **Package Options:** SO-16  

### **Description:**  
The L6571B is a high-voltage resonant controller designed for half-bridge topologies in resonant power supplies. It integrates a high-voltage gate driver and control logic to manage resonant converter operations efficiently. It is commonly used in applications such as LED drivers, power supplies, and induction heating.  

### **Features:**  
- **High-Voltage Gate Driver:** Includes a floating high-side driver with bootstrap diode.  
- **Adjustable Frequency:** Allows optimization for different resonant tank configurations.  
- **Soft-Start:** Ensures smooth startup to reduce stress on components.  
- **Protection Mechanisms:** Built-in safeguards for overcurrent, overvoltage, and thermal conditions.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  

This information is based solely on the manufacturer's documentation for the L6571B.

Application Scenarios & Design Considerations

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

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