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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FUSB308B датащи(PDF) 19 Page - ON Semiconductor |
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FUSB308B датащи(HTML) 19 Page - ON Semiconductor |
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19 / 53 page  FUSB308B www.onsemi.com 19 Figure 15. Transmitter Test Load Vcom cReceiver Vcom cReceiver cCablePlug cCablePlug Switch DRP DRP Switch Cable Connector Connector USB-PD R3.0 SPECIFIC PARAMETERS Symbol Parameter TA = −40 to +855C TA = −40 to +1055C (Note 15) TJ = −40 to +1255C Unit Min Typ Max TRANSMITTER rFRSwapTx Fast Role Swap request transmit driver resistance Measured from VCCx = 0 to vFRSwapCableTx 5 Ω tFRSwapTx Fast Role Swap request transmit duration 60 120 μs RECEIVER tFRSwapRx Fast Role Swap request detection time 30 50 μs vFRSwapCableTx Fast Role Swap request voltage detection threshold 490 520 550 mV TYPE C SPECIFIC PARAMETERS Symbol Parameter TA = −40 to +855C TA = −40 to +1055C (Note 15) TJ = −40 to +1255C Unit Min Typ Max RSW_CCx RDSON for VCONN to CC1 or VCONN to CC2 0.4 1.0 Ω ISW_CCX Over Current Protection (OCP) limit at which VCONN switch shuts off over the entire VCONN voltage range VCONN_OCP = 0Fh 600 800 1000 mA tSoftStart Time taken for the VCONN switch to turn on during which Over− Current Protection is disabled 1.5 ms I80_CCX DFP 80 μA CC Current (Default) ROLECTRL = 05h 64 80 96 μA I180_CCX DFP 180 μA CC Current (1.5 A) ROLECTRL = 15h 166 180 194 μA I330_CCX DFP 330 μA CC Current (3 A) ROLECTRL = 25h 304 330 356 μA RDEVICE Device pull−down resistance (Note 12) 4.6 5.1 5.6 kΩ Ra Powered Accessory Termination 800 1200 Ω vRa−SRCdef Ra Detection Threshold for CC Pin for Source for Default Current on VBUS 0.15 0.20 0.25 V vRa−SRC1.5A Ra Detection Threshold for CC Pin for Source for 1.5 A Current on VBUS 0.35 0.40 0.45 V vRa−SRC3A Ra Detection Threshold for CC Pin for Source for 3 A Current on VBUS 0.75 0.80 0.85 V |
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