The maximum output power of LNK305G is dependent on the input voltage, output voltage, and thermal design. However, Power Integrations recommends a maximum output power of 3.5 W for the LNK305G.
To ensure the LNK305G operates within its SOA, follow the guidelines in the datasheet for input voltage, output voltage, and output current. Additionally, ensure proper thermal design and heat sinking to keep the junction temperature within the recommended range.
The BYPASS pin on the LNK305G is used to connect an external bypass capacitor to improve the power supply's noise immunity and transient response. It is recommended to connect a 10 nF to 100 nF capacitor between the BYPASS pin and the output voltage.
To optimize the output voltage ripple of the LNK305G, ensure proper selection of the output capacitor, including its value, type, and ESR. Additionally, consider adding an output filter capacitor or a pi-filter to further reduce the output voltage ripple.
The recommended input capacitor value for the LNK305G is dependent on the input voltage and output power. A general guideline is to use a capacitor with a value of 10 uF to 22 uF, with a voltage rating of at least 1.5 times the maximum input voltage.
LNK305G datasheet
by Power Integrations
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