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NCP1090 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1090 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 12 page NCP1090, NCP1091, NCP1092 http://onsemi.com 6 Table 3. OPERATING CONDITIONS (All values are with respect to VPORTN unless otherwise noted.) Symbol Conditions Units Max Typ Min Parameter PASS−SWITCH AND CURRENT LIMITING Ron Pass−switch Rds−on − 0.5 1 W Measured with I(RTN) = 200 mA I_inrush Inrush current with Rinrush = 178 kW 75 120 170 mA Measured at RTN−VPORTN = 3 V I_ilim Operating current limit with Rinrush = 178 kW 425 500 575 mA Current limit threshold POWER GOOD INDICATOR Vds_pgood_on RTN−VPORTN threshold voltage required for power good status 0.8 1 1.2 V RTN−VPORTN falling Vds_pgood_off RTN−VPORTN latchoff threshold voltage 9 10 11 V RTN−VPORTN rising Pgood_filter PGOOD filter time 100 mS Rising and falling / for information only Ipgood I(PGOOD) sinking current − − 5 mA Vpgood_low PGOOD voltage output low − 0.2 0.5 V Voltage with respect to RTN CURRENT CONSUMPTION IvportP I(VPORTP) internal current consumption − 600 900 mA VPORTP = 48 V THERMAL SHUTDOWN TSD Thermal shutdown threshold 150 − − °C Tj Tj = junction temperature Thyst Thermal hysteresis − 15 − °C Tj Tj = junction temperature THERMAL RATINGS Ta Ambient temperature −40 − 85 °C Tj Junction temperature − − 125 °C 3. A tolerance of 1% on the Rclass resistor is included in the min/max values. |
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