The maximum output power of the TNY287KG-TL is 287W, but it can be derated based on the input voltage, output voltage, and ambient temperature.
To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low equivalent series resistance (ESR) and a sufficient capacitance value. Also, ensure that the output voltage is within the recommended range of 3.3V to 48V.
The BYPASS pin is used to connect an external capacitor to the internal voltage regulator. This helps to improve the power supply rejection ratio (PSRR) and reduce the noise on the internal voltage regulator.
The minimum input capacitance required can be calculated using the formula: Cin = (Iin * Vin) / (fsw * ΔV), where Cin is the input capacitance, Iin is the input current, Vin is the input voltage, fsw is the switching frequency, and ΔV is the input voltage ripple.
The recommended PCB layout for the TNY287KG-TL involves placing the input capacitors close to the IC, using a solid ground plane, and keeping the high-current paths short and wide. Also, ensure that the thermal pad is connected to a solid ground plane to improve heat dissipation.
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TNY287KG-TL Overview
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