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NCP1246A65DR2G Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP1246A65DR2G Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 38 page NCP1246 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = ï40°C to +125°C, VHV = 125 V, VCC = 11 V unless otherwise noted) Characteristics Test Condition Symbol Min Typ Max Unit HIGH VOLTAGE CURRENT SOURCE Minimum voltage for current source operation VHV(min) ï 30 40 V Current flowing out of VCC pin VCC = 0 V VCC = VCC(on) ï 0.5 V Istart1 Istart2 0.2 5 0.5 8 0.8 11 mA Offïstate leakage current VHV = 500 V, VCC = 15 V Istart(off) 10 25 50 mA Offïmode HV supply current VHV = 141 V, VHV = 325 V, VCC loaded by 4.7 mF cap IHV(off) ï ï 45 50 60 70 mA SUPPLY HV current source regulation threshold VCC(reg) 8 11 ï V Turnïon threshold level, VCC going up HV current source stop threshold VCC(on) 11.0 12.0 13.0 V HV current source restart threshold VCC(min) 9.5 10.5 11.5 V Turnïoff threshold VCC(off) 8.5 8.9 9.3 V Overvoltage threshold VCC(ovp) 25 26.5 28 V Blanking duration on VCC(off) and VCC(ovp) detection tVCC(blank) 7 10 13 ms VCC decreasing level at which the internal logic resets VCC(reset) 4.8 7.0 7.7 V VCC level for ISTART1 to ISTART2 transition VCC(inhibit) 0.2 0.8 1.25 V Internal current consumption (Note 6) DRV open, VFB = 3 V, 65 kHz DRV open, VFB = 3 V, 100 kHz Cdrv = 1 nF, VFB = 3 V, 65 kHz Cdrv = 1 nF, VFB = 3 V, 100 kHz Off mode (skip or before startïup) Fault mode (fault or latch) ICC1 ICC1 ICC2 ICC2 ICC3 ICC4 1.3 1.3 1.8 2.3 0.67 0.3 1.85 1.85 2.6 2.9 0.9 0.6 2.2 2.2 3.0 3.5 1.13 0.9 mA BROWNïOUT BrownïOut thresholds VHV going up VHV going down VHV(start) VHV(stop) 102 94 111 103 120 112 V Timer duration for line cycle dropïout tHV 43 ï 86 ms X2 DISCHARGE Comparator hysteresis observed at HV pin VHV(hyst) 1.5 3.5 5 V HV signal sampling period Tsample ï 1.0 ï ms Timer duration for no line detection tDET 21 32 43 ms Discharge timer duration tDIS 21 32 43 ms OSCILLATOR Oscillator frequency fOSC 58 87 65 100 72 109 kHz Maximum on time for TJ = 25°C to +125°C only fOSC = 65 kHz fOSC = 100 kHz tONmax(65kHz) tONmax(100kHz) 11.5 7.5 12.3 8.0 13.1 8.5 ms Maximum on time fOSC = 65 kHz fOSC = 100 kHz tONmax(65kHz) tONmax(100kHz) 11.3 7.4 12.3 8.0 13.1 8.5 ms 6. Internal supply current only, currents sourced via FB pin is not included (current is flowing in GND pin only). 7. Guaranteed by design. 8. CS pin source current is a sum of Ibias and IOPC, thus at VHV = 125 V is observed the Ibias only, because IOPC is switched off. |
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