ZHCSQG4E March 2004 – April 2022 TPS65130 , TPS65131
PRODUCTION DATA
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The power-save mode can improve efficiency at light loads. In power-save mode, the converter only operates when the output voltage falls below the threshold voltage that is internally set by the device. The converter ramps up the output voltage with one or several operating pulses and goes again into power-save mode once the inductor current becomes discontinuous.
The PSN and PSP logic level selects between power-save mode and continuous-conduction mode. If the specific pins (PSP for the boost converter, PSN for the inverting converter) are HIGH, the power-save mode for the corresponding converter operates at light loads. Similarly, a LOW on the PSP pin or PSN pin disables the power-save mode for the corresponding converter.