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L6598 from ST,ST Microelectronics

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L6598

Manufacturer: ST

HIGH VOLTAGE RESONANT CONTROLLER

Partnumber Manufacturer Quantity Availability
L6598 ST 980 In Stock

Description and Introduction

HIGH VOLTAGE RESONANT CONTROLLER The L6598 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 (ST)  

### **Specifications:**  
- **Input Voltage Range:** Up to 600V  
- **Operating Frequency Range:** Adjustable, typically up to several hundred kHz  
- **Output Drive Capability:** Two high-side and low-side gate drivers (up to 0.5A source/1A sink)  
- **Supply Voltage (VCC):** 12V to 15V  
- **Standby Power Consumption:** Low quiescent current  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Soft-start functionality  

### **Description:**  
The L6598 is a resonant-mode controller designed for LLC resonant half-bridge topologies. It is optimized for high-efficiency power supplies, such as AC-DC adapters, LED drivers, and industrial power systems. The IC integrates advanced control features to manage zero-voltage switching (ZVS) and improve efficiency.  

### **Features:**  
- **Resonant Half-Bridge Control:** Optimized for LLC resonant converters  
- **Adjustable Dead Time:** Ensures ZVS operation  
- **Frequency Modulation:** Variable switching frequency for regulation  
- **Soft-Switching Capability:** Reduces switching losses  
- **Integrated High-Voltage Startup Circuit:** Simplifies design  
- **Protection Mechanisms:** Includes OCP, OVP, and UVLO  

This information is based on STMicroelectronics' official documentation for the L6598.

Application Scenarios & Design Considerations

HIGH VOLTAGE RESONANT CONTROLLER

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