L6599AD Resonant Half-Bridge Controller SO16N STMicroelectronics

The L6599AD is an advanced resonant controller IC from STMicroelectronics, designed for high-efficiency power conversion in resonant half-bridge topologies. It provides a 50% complementary duty cycle with variable frequency control, ensuring efficient energy transfer and soft-switching operation.​

Key Features:

• 50% duty cycle, variable frequency control for resonant half-bridge converters
• Integrated high-voltage (600V) floating driver with synchronous bootstrap diode
• Two-level overcurrent protection: frequency shift and latched shutdown
• Non-linear soft-start to minimize output voltage overshoot
• Burst mode operation at light load for improved efficiency
• Interface with PFC controller for system coordination​

Additional Specifications:

• Package Type: SO16N
• Supply Voltage: 8.85V to 16V
• Current: 300 mA
• Type: Resonant Half-Bridge Controller