FULLY INTEGRATED POWER SUPPLY The L6590 is a high-voltage resonant controller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **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 0.5A source and 1A sink current capability
- **Supply Voltage (VCC):** Typically 12V to 15V
- **Power Dissipation:** Depends on operating conditions
- **Package Options:** SO16 (Small Outline 16-pin package)
### **Descriptions:**
- The L6590 is designed for resonant half-bridge topologies, commonly used in power supply applications.
- It integrates high-voltage level shifting for driving the high-side MOSFET in a half-bridge configuration.
- The controller includes protections such as overcurrent, overtemperature, and undervoltage lockout (UVLO).
- It is optimized for zero-voltage switching (ZVS) to improve efficiency in resonant converters.
### **Features:**
- **High-Voltage Startup:** Built-in high-voltage startup circuit reduces external component count.
- **Adjustable Dead Time:** Allows optimization of switching transitions for ZVS.
- **Soft-Start Function:** Ensures controlled startup to limit inrush currents.
- **Frequency Modulation:** Supports frequency control for resonant operation.
- **Protections:** Includes overcurrent protection (OCP), thermal shutdown, and UVLO.
- **Low Power Consumption:** Features a low-power standby mode for improved efficiency.
For detailed electrical characteristics, refer to the official STMicroelectronics datasheet.
