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L6598D from STM,ST Microelectronics

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L6598D

Manufacturer: STM

HIGH VOLTAGE RESONANT CONTROLLER

Partnumber Manufacturer Quantity Availability
L6598D STM 10000 In Stock

Description and Introduction

HIGH VOLTAGE RESONANT CONTROLLER The L6598D is a high-voltage resonant controller manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** Up to 600V (high-voltage startup circuit)  
- **Operating Frequency Range:** Adjustable, typically up to 500kHz  
- **Output Drive Current:** ±400mA (source/sink capability)  
- **Supply Voltage (VCC):** 8.6V to 16V (operating range)  
- **Standby Power Consumption:** < 1W (typical)  
- **Package:** SO-16N  

### **Descriptions:**
- The L6598D is designed for resonant half-bridge topologies, commonly used in power supply applications.  
- It integrates a high-voltage startup circuit, reducing external component count.  
- Features adaptive dead-time control to optimize efficiency and reduce switching losses.  
- Includes protections such as overcurrent (OCP), overvoltage (OVP), and brownout detection.  

### **Features:**
- **High-Voltage Startup:** Eliminates the need for an auxiliary supply during startup.  
- **Adaptive Dead-Time Control:** Ensures zero-voltage switching (ZVS) for improved efficiency.  
- **Frequency Modulation:** Adjustable oscillator for resonant operation.  
- **Protections:**  
  - Overcurrent protection (latched or auto-restart).  
  - Overvoltage protection with dedicated pin.  
  - Undervoltage lockout (UVLO) for VCC.  
- **Soft-Start:** Controlled startup to minimize stress on components.  
- **Synchronization Capability:** Can sync with an external clock.  

The L6598D is suitable for applications like AC-DC adapters, LED drivers, and industrial power supplies.  

(Note: Always refer to the official STMicroelectronics datasheet for precise details.)

Application Scenarios & Design Considerations

HIGH VOLTAGE RESONANT CONTROLLER

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