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L6571AD from ST,ST Microelectronics

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L6571AD

Manufacturer: ST

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Partnumber Manufacturer Quantity Availability
L6571AD ST 2500 In Stock

Description and Introduction

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR The L6571AD is a high-voltage resonant controller manufactured by STMicroelectronics. Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Category:** PMIC - Power Management ICs  
- **Type:** Resonant Controller  
- **Output Type:** Half-Bridge  
- **Topology:** Resonant (LLC)  
- **Frequency - Max:** 500kHz  
- **Voltage - Supply (Vcc/Vdd):** 8.5V to 16V  
- **Duty Cycle (Max):** 50%  
- **Operating Temperature:** -40°C to 125°C  
- **Package/Case:** SOIC-16  

### **Descriptions:**
- The L6571AD is a high-voltage resonant controller designed for LLC resonant half-bridge topologies.  
- It provides precise control for resonant power supplies, ensuring high efficiency and reliability.  
- Suitable for applications such as AC-DC adapters, LED drivers, and SMPS (Switched-Mode Power Supplies).  

### **Features:**
- **High-Voltage Startup:** Integrated high-voltage startup circuit.  
- **Adaptive Dead-Time Control:** Ensures zero-voltage switching (ZVS) for improved efficiency.  
- **Frequency Modulation:** Adjustable switching frequency for resonant operation.  
- **Overcurrent Protection (OCP):** Built-in protection against overload conditions.  
- **Brown-Out Protection:** Detects low input voltage conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **SOIC-16 Package:** Compact and suitable for space-constrained designs.  

This information is strictly factual and based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

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