FULLY INTEGRATED POWER SUPPLY The L6590D is a high-voltage resonant controller manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Manufacturer:** STMicroelectronics
### **Specifications:**
- **Input Voltage Range:** Up to 600V
- **Operating Frequency Range:** Adjustable, typically up to several hundred kHz
- **Output Drive Capability:** High-side and low-side gate drivers with 0.3A source and 0.8A sink current capability
- **Supply Voltage (VCC):** 8.6V to 16V
- **Standby Power Consumption:** Low quiescent current in standby mode
- **Protection Features:**
- Overvoltage protection (OVP)
- Overcurrent protection (OCP)
- Undervoltage lockout (UVLO)
- Thermal shutdown
### **Descriptions:**
- The L6590D is designed for resonant half-bridge topologies, commonly used in power supply applications such as AC-DC adapters, LED drivers, and industrial power supplies.
- It integrates a high-voltage startup circuit, reducing external component count.
- The device features a variable frequency control scheme for soft-switching operation, improving efficiency and reducing EMI.
### **Features:**
- **High-Voltage Startup:** Built-in high-voltage startup circuit for simplified design.
- **Resonant Operation:** Optimized for LLC and other resonant converter topologies.
- **Adjustable Dead Time:** Allows optimization of switching transitions.
- **Soft-Start Function:** Reduces inrush current during startup.
- **Frequency Modulation:** Enables precise control of power delivery.
- **Integrated Protections:** Comprehensive safety features for robust operation.
For detailed application notes and pin configurations, refer to the official STMicroelectronics datasheet.
