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NCV887000D1R2G Datasheet(PDF) 5 Page - ON Semiconductor |
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NCV887000D1R2G Datasheet(HTML) 5 Page - ON Semiconductor |
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5 / 11 page  NCV8870 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS (−40°C < TJ < 150°C, 3.2 V < VIN < 40 V, unless otherwise specified) Min/Max values are guaranteed by test, design or statistical correlation. Characteristic Unit Max Typ Min Conditions Symbol VOLTAGE ERROR OPERATIONAL TRANSCONDUCTANCE AMPLIFIER Transconductance gm,vea VFB – Vref = ± 20 mV 0.8 1.2 1.5 mS VEA output resistance Ro,vea 2.0 − − MW VFB input bias current Ivfb,bias Current out of VFB pin − 0.5 2.0 mA Reference voltage Vref 1.176 1.200 1.224 V VEA maximum output voltage Vc,max 2.5 − − V VEA minimum output voltage Vc,min − − 0.3 V VEA sourcing current Isrc,vea VEA output current, Vc = 2.0 V 80 100 − mA VEA sinking current Isnk,vea VEA output current, Vc = 0.7 V 80 100 − mA GATE DRIVER Sourcing current Isrc VDRV ≥ 6 V, VDRV − VGDRV = 2 V NCV887000 NCV887001 600 600 800 800 − − mA Sinking current Isink VGDRV ≥ 2 V NCV887000 NCV887001 500 500 600 600 − − mA Driving voltage dropout Vdrv,do VIN − VDRV, IvDRV = 10 mA − 0.2 0.35 V Driving voltage source current Idrv VIN − VDRV = 1 V 10 15 − mA Backdrive diode voltage drop Vd,bd VDRV − VIN, Id,bd = 5 mA − − 0.7 V Driving voltage VDRV IVDRV = 0.1 − 25 mA NCV887000 NCV887001 10 10 10.5 10.5 11 11 V UVLO Undervoltage lock−out, Threshold voltage Vuvlo VIN falling 3.0 3.1 3.2 V Undervoltage lock−out, Hysteresis Vuvlo,hys VIN rising 50 125 200 mV SHORT CIRCUIT PROTECTION Startup blanking period %tscp,dly From start of soft−start, Percent of tss 100 120 150 % Hiccup−mode period %thcp,dly From shutdown to start of soft−start, Percent of tss 65 80 95 % Short circuit threshold voltage %Vscp VFB as percent of Vref 60 67 75 % Short circuit delay tscp From VFB < Vscp to stop switching − 35 100 ns THERMAL SHUTDOWN Thermal shutdown threshold Tsd TJ rising 160 170 180 °C Thermal shutdown hysteresis Tsd,hys TJ falling 10 15 20 °C Thermal shutdown delay tsd,dly From TJ > Tsd to stop switching − − 100 ns |
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