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PI2122 Datasheet(PDF) 4 Page - Vicor Corporation |
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PI2122 Datasheet(HTML) 4 Page - Vicor Corporation |
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4 / 19 page  Picor Corporation • picorpower.com PI2122 Rev1.0 Page 4 of 19 Electrical Specifications Unless otherwise specified: -40 °C < TJ < 125°C, VC =12V, CVc = 1uF, COCT = 2nF Parameter Symbol Min Typ Max Units Conditions FAULT Continued Over-voltage Threshold Hysteresis VOV-HS 25 mV Over-voltage Bias Current IOV -1 1 μA Fault Output Low Voltage VFTL 200 500 mV IFT=2mA, VC>4.5V Fault Output High Leakage Current IFT-LC 10 μA VFT=14V Fault Delay Time tFT-DEL 20 40 60 μs Includes output glitch filter Over Temperature Fault (1) TFT 145 °C Over Temperature Fault Hysteresis(1) TFT-HS -10 °C DIFFERENTIAL AMPLIFIER AND COMPARATORS Common mode input voltage VCM -0.1 5.5 V VCM =SP & SN w/respect to Gnd VC to SN differential(1) VVC-SN 3.5 V Differential operating Input Voltage VSP-SN -50 125 mV SP-SN SP Input Bias Current ISP 3.5 μA VCM =1.25V SN Input Bias Current ISN -37 μA VCM =1.25V SN (SP) Voltage VSN 5.5 V SP=0V (SN=0) Reverse Comparator Off Threshold VRVS-TH -10 -6 -2 mV VCM =3.3V Reverse Comparator Hysteresis VRVS-HS 2 3 5 mV VCM =3.3V Reverse Turn-off Delay tF&RDLY 140 180 ns VSP-SN = ± 50mV step Forward Comparator On Threshold VFWD-TH 2 5 9 mV VCM =3.3V Forward Comparator Hysteresis VFWD-HS -5 -3 -2 mV VCM =3.3V Forward Over Current Comparator Threshold VOC-TH 83 90 97 mV VCM =3.3V Forward Over Current Comparator Hysteresis VOC-HS -8 -6 -4 mV VCM =3.3V Forward Over Current to Turn-off Delay tFOC-DLY 170 200 ns VSP-SN = ± 50mV step Over Current Timer: OCT OCT Charging Source Current ISL -10 μA VOCT = 1.25V OCT Clamp Voltage VOCT-CL 2.0 3.0 4.2 V No Fault OCT Threshold Voltage High VOCT-Hi 1.75 V SP=3.3V, SN=0V OCT Threshold Voltage Low VOCT-Lo 0.875 V SP=3.3V, SN=0V OCT OFF Time TOCT-OFF 350 µs FOC fault condition OCT MOSFET Disable VOCT-Lo 500 mV IOCT = -100uA OCT Discharge Current IOCTSK 5 10 mA VOCT =2.25V SP-SN=100mV |
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