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SR Controller
The secondary synchronous rectification uses a low RDSon power MOSFET to replace the rectifier diode to reduce losses. The pre-detection working mode enables the rectifier MOSFET to have zero-voltage turn on and zero-current turn off features, which are used to improve the conversion efficiency of the power system and meet the need of high power density and miniaturization.
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Part NumberModeHV and VSEN Pin RatingMaximum FrequencyDRV VoltageDRV Sink CurrentQuiescent CurrentMinimum Turn-on TimeTurn-on DelayTurn-off DelayTurn-off PropagationFeaturesPackage
SC3501CCM/QR/DCM120VUp to 400KHz8V/6V4A105uA0.70~0.90~1.20(uS)40nS20nS10nSSOT23-6
SC3502CCM/QR/DCM120VUp to 300KHz8V/6V4A105uA0.95~1.25~1.55(uS)25nS20nS10nSSOT23-6
SC3503CCM/QR/DCM120VUp to 1MHz8V/6V4A105uA0.30~0.40~0.50(uS)20nS20nS10nSFor primary side GaN applicationSOT23-6
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