Description:Up to 300kHz Operating Frequency; Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology; Fixed Dead Time: 350ns ; Auto-Restart Operation for All Protections with an External LVCC; Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD); High Efficiency through Zero Voltage Switching (ZVS)
A good PCB layout for the FAN7621SSJX should include a solid ground plane, wide power traces, and a thermal relief pattern under the IC. This helps to reduce thermal resistance and improve heat dissipation.
To ensure reliable operation at high temperatures, ensure that the device is operated within the recommended temperature range (up to 150°C), and that the PCB is designed to minimize thermal resistance. Additionally, consider using a heat sink or thermal interface material to improve heat dissipation.
To minimize EMI and noise, use a pi-filter configuration with a common-mode choke, and ensure that the input and output capacitors are properly decoupled. Additionally, consider using a shielded inductor and a low-ESR output capacitor to reduce noise and ringing.
To optimize output voltage ripple and noise, use a low-ESR output capacitor, and consider adding a ceramic capacitor in parallel to reduce high-frequency noise. Additionally, ensure that the output voltage is properly decoupled from the input voltage using a pi-filter configuration.
The recommended input capacitor is a 10uF to 22uF ceramic capacitor with a voltage rating of 25V or higher. The recommended output capacitor is a 10uF to 22uF ceramic capacitor with a voltage rating of 10V or higher. The capacitor values may vary depending on the specific application requirements.
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FAN7621SSJX Overview
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