ZHCSPA4 march 2023 TPS548C26
PRODUCTION DATA
TPS548C26 device implements an internal circuit for the zero inductor-current detection during skip-mode operation. The fixed Z-C detection threshold is set to a slightly positive value such as 300 mA to compensate the delay time of the Z-C detection circuit and avoid too-late detection. Depending on the inductor value, frequency, VIN and Vout conditions, this can result diode conduction for a short period.