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NCP1080DEG Datasheet(PDF) 8 Page - ON Semiconductor |
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NCP1080DEG Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 14 page NCP1080 http://onsemi.com 8 Table 3. Operating Conditions Symbol Parameter Min. Typ. Max. Units Conditions PASS−SWITCH AND CURRENT LIMITS Ron Pass−switch Rds−on − 0.6 1.2 ohm Max Ron specified at Tj = 130°C I_Rinrush1 Rinrush = 150 kW (Note 7) 95 125 155 mA Measured at RTN− VPORTN1,2 = 3 V I_Rinrush2 Rinrush = 57.6 kW (Note 7) 260 310 360 mA Measured at RTN− VPORTN1,2 = 3 V I_Rilim1 Rilim1 = 84.5 kW (Note 7) 450 510 570 mA Current limit threshold INRUSH AND ILIM1 CURRENT LIMIT TRANSITION Vds_pgood VDS required for power good status 0.8 1 1.2 V RTN−VPORTN1,2 falling; voltage with re- spect to VPORTN1,2 Vds_pgood_hyst VDS hysteresis required for power good status − 8.2 − V Voltage with respect to VPORTN1,2 VDDH REGULATOR VDDH_reg Regulator output voltage (Notes 8 and 9) Ivddh_load + Ivddl_load < 10 mA with 0 < Ivddl_load < 2.25 mA 8.4 9 9.6 V VDDH_Off Regulator turn−off voltage − VDDH_reg + 0.5 V − V For information only VDDH_lim VDDH regulator current limit (Notes 8 and 9) 13 − 26 mA VDDH_Por_R VDDH POR level (rising) 7.3 − 8.3 V VDDH_Por_F VDDH POR level (falling) 6 − 7 V VDDH_ovlo VDDH over−voltage level (rising) 16 − 18.5 V VDDL REGULATOR VDDL_reg Regulator output voltage (Notes 8 and 9) 0 < lvddl_load < 2.25 mA with lvddh_load + Ivddl_load < 10 mA 3.05 3.3 3.55 V VDDL_Por_R VDDL POR level (rising) VDDL – 0.2 − VDDL – 0.02 V VDDL_Por_F VDDL POR level (falling) 2.5 − 2.9 V GATE DRIVER Gate_Tr GATE rise time (10−90%) − − 50 ns Cload = 2 nF, VDDHreg = 9 V Gate_Tf GATE fall time (90−10%) − − 50 ns Cload = 2 nF, VDDHreg = 9 V PWM COMPARATOR VCOMP COMP control voltage range 1.3 − 3 V For information only 7. The current value corresponds to the PoE−PD input current (the current flowing in the external Rdet and the quiescent current of the device are included). 8. Power dissipation must be considered. Load on VDDH and VDDL must be limited especially if VDDH is not powered by an auxiliary winding. 9. Ivddl_load = current flowing out of the VDDL pin. Ivddh_load = current flowing out of the VDDH pin + current delivered to the Gate Driver (function of the frequency, VDDH voltage & MOSFET gate capacitance). |
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