Transcription of TEA19161 and TEA19162 controller ICs
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AN11801 TEA19161 and TEA19162 controller ICsRev. 7 April 2021 Application note Document informationInformationContentKeywordsTEA 19161, TEA19162 , PFC, burst mode operation, low-power mode, cycle-by-cycle control, Vcap control, resonant power converterAbstractThe TEA19161T and TEA19162T are a set of controller ICs for resonantpower supplies that include a reach a high efficiency at all power levels, the TEA19161T(LLC) introducesa new operating mode: low-power mode. This mode operates in the powerregion between continuous switching (now called high-power mode) and LLC resonant converter controllers regulate the output power byadjusting the operating frequency.
Most LLC resonant converter controllers regulate the output power by adjusting the operating frequency. The TEA19161T regulates the output power by adjusting the voltage across the primary resonant capacitor. The result is accurate state control and a linear power control. Using a voltage divider, the primary resonant capacitor voltage provides ...
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