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NCP1615A1DR2G Datasheet(PDF) 11 Page - ON Semiconductor |
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NCP1615A1DR2G Datasheet(HTML) 11 Page - ON Semiconductor |
11 / 46 page NCP1615 www.onsemi.com 11 Table 5. ELECTRICAL CHARACTERISTICS (VCC = 15 V, VHV = 120 V, VFB = 2.4 V, RHVFB = 200 kW, VHVFB = 20 V, CVControl = 10 nF, VFFcontrol = 2.6 V, VZCD/CS = 0 V, RZCD/CS = 3 kW, VFOVPBUV = 2.4 V, VSTDBY = 1 V, VRestart = 1 V, VPSTimer = 0 V, VFault = open, VPFCOK = open, CDRV = 1 nF, for typical values TJ = 25°C, for min/max values, TJ is −40°C to 125°C, unless otherwise noted) Characteristics Unit Max Typ Min Symbol Conditions CURRENT CONTROLLED FREQUENCY FOLDBACK Minimum Dead Time VFFCntrol = 2.6 V tDT1 – – 0 ms Median Dead Time C3 Version All Other Versions VFFCntrol = 1.75 V tDT2 14 4.5 18 6.5 22 7.5 ms Maximum Dead Time C3 Version All Other Versions VFFCntrol = 1.0 V tDT3 32 11 38 13 44 15 ms FFcontrol Pin Current − Low Line VHV = 162.5V, VControl = VControl(MAX) IDT1 180 200 220 mA FFcontrol Pin Current − High Line C4/C5 Version All Other Versions VHV = 325 V, VControl = VControl(MAX) IDT2 120 92 135 103 148 114 mA FFcontrol Skip Level VFFCntrol = increasing VFFCntrol = decreasing Vskip(out) Vskip(in) – 0.55 0.75 0.65 0.85 – V FFcontrol Skip Hysteresis VSKIP(HYS) 50 – – mV Minimum Operating Frequency fMIN – 26 – kHz FEEDBACK OVER AND UNDERVOLTAGE PROTECTION Soft−OVP to VREF Ratio VFB = increasing, VSOVP/VREF KSOVP/VREF 104 105 106 % Soft−OVP Threshold VFB = increasing VSOVP – 2.625 – V Soft−OVP Hysteresis VFB = decreasing VSOVP(HYS) 35 50 65 mV Static OVP Minimum Duty Ratio VFB = 2.55 V, VControl = open DMIN – – 0 % Undervoltage to VREF Ratio VFB = increasing, VUVP1/VREF KUVP1/VREF 8 12 16 % Undervoltage Threshold VFB = decreasing VUVP1 – 300 – mV Undervoltage to VREF Hysteresis Ratio VFB = increasing VUVP1(HYS) – – 25 mV Feedback Input Sink Current VFB = VSOVP, HVFB = open VFB = VUVP1, HVFB = open IFB(SNK1) IFB(SNK2) 50 50 200 200 450 450 nA FAST OVERVOLTAGE AND BULK UNDERVOLTAGE PROTECTION (FOVP and BUV) Fast OVP Threshold VFOVP/BUV increasing VFOVP – 2.675 – V Fast OVP Hysteresis VFOVP/BUV decreasing VFOVP(HYS) 15 30 60 mV Ratio Between Fast and Soft OVP Levels KFOVP/SOVP = VFOVP/ VSOVP KFOVP/SOVP 101.5 102.0 102.5 % Ratio Between Fast OVP and VREF KFOVP/VREF = VFOVP/ VREF KFOVP/VREF 106 107 108 % Bulk Undervoltage Threshold VFOVP/BUV decreasing VBUV – 1.9 – V Undervoltage Protection Threshold to VREF Ratio VFOVP/BUV decreasing, VBUV/VREF KBUV/VREF 74 76 78 % Open Pin Detection Threshold VFOVP/BUV decreasing VUVP2 0.2 0.3 0.4 V Open Pin Detection Hysteresis VFOVP/BUV increasing VUVP2(HYS) − 10 − mV Pull−Down Current Source VFOVP/BUV = VBUV VFOVP/ BUV = VUVP2 IFOVP/BUV(bias1) IFOVP/BUV(bias2) 50 50 200 200 450 450 nA LINE OVP (ALL VERSIONS EXCEPT A1/C4/C5) Ratio Between Line OVP and VREF VFB increasing KLOVP 111 112.5 114 % Line Overvoltage Threshold VLOVP – 2.813 – V Line Overvoltage Filter VFB increasing tLOVP(blank) 45 55 65 ms STANDBY INPUT Standby Input Threshold VSTDBY decreasing Vstandby 285 300 315 mV |
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