The maximum output power of the TNY376PN depends on the input voltage, output voltage, and the transformer turns ratio. However, as a general guideline, the TNY376PN can deliver up to 36W of output power with a suitable transformer design and proper thermal management.
To select the right transformer for the TNY376PN, you need to consider factors such as the input voltage, output voltage, output power, and the desired efficiency. Power Integrations provides a transformer design tool on their website that can help you design and select a suitable transformer for your application.
The recommended PCB layout for the TNY376PN involves keeping the high-frequency nodes (such as the drain and source pins) as short as possible, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane to minimize EMI and improve thermal performance.
To optimize the efficiency of the TNY376PN, you can try the following: use a high-quality transformer with low losses, optimize the PCB layout for minimal parasitic inductance and capacitance, use low-ESR input and output capacitors, and adjust the switching frequency to minimize losses. Additionally, you can use Power Integrations' design tools and simulation models to optimize the design and reduce losses.
The TNY376PN has a maximum junction temperature of 150°C, and it's essential to ensure that the IC stays within this temperature range to ensure reliability and performance. You can use thermal vias, heat sinks, and thermal interface materials to improve heat dissipation. Additionally, you can reduce the power dissipation by optimizing the design and reducing losses.
TNY376PN datasheet
by Power Integrations
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