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NCP1236 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1236 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 34 page NCP1236 www.onsemi.com 6 ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, VHV = 125 V, VCC = 11 V unless otherwise noted) Characteristics Unit Max Typ Min Symbol Test Condition OUTPUT DRIVER High−state voltage drop VCC = VCC(min) + 0.2 V, RDRV = 33 kW, DRV high VDRV(drop) − − 1 V CURRENT SENSE Input Bias Current VCS = 0.7 V Ibias − 0.02 − mA Maximum internal current setpoint VFB > 3.5 V VILIM 0.66 0.7 0.74 V Propagation delay from VIlimit detection to DRV off VCS = VILIM tdelay − 80 110 ns Leading Edge Blanking Duration for VILIM tLEB 190 250 310 ns Threshold for immediate fault protection activation VCS(stop) 0.95 1.05 1.15 V Leading Edge Blanking Duration for VCS(stop) tBCS 90 120 150 ns Slope of the compensation ramp Scomp(65kHz) Scomp(100kHz) − − −32.5 −50 − − mV / ms Soft−start duration From 1st pulse to VCS = VILIM tSSTART 2.8 4.0 5.2 ms OVERPOWER COMPENSATION VHV to IOPC conversion ratio KOPC − 0.54 − mA / V Current flowing out of CS pin VHV = 125 V VHV = 162 V VHV = 325 V VHV = 365 V IOPC(125) IOPC(162) IOPC(325) IOPC(365) − − − 105 0 20 110 130 − − − 150 mA FB voltage above which IOPC is applied VHV = 365 V VFB(OPCF) 2.12 2.35 2.58 V FB voltage below which is no IOPC applied VHV = 365 V VFB(OPCE) − 2.15 − V Watchdog timer for dc operation tWD(OPC) − 32 − ms FEEDBACK Internal pull−up resistor TJ = 25°C RFB(up) 15 20 25 k W VFB to internal current setpoint division ratio KFB 4.7 5 5.3 − Internal pull−up voltage on the FB pin VFB(ref) 4.3 5 5.7 V OVERCURRENT PROTECTION Fault timer duration From CS reaching VILIMIT to DRV stop tfault 98 128 168 ms Fault timer duration (for the C version only) From CS reaching VILIMIT to DRV stop tfault 16 32 48 ms Autorecovery mode latch−off time duration tautorec 0.85 1.00 1.35 s Autorecovery mode latch−off time duration (for the C version only) tautorec 1.0 1.5 2.0 s 6. Internal supply current only, current in FB pin not included (current flowing in GND pin only). 7. Guaranteed by design. |
Similar Part No. - NCP1236_16 |
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Similar Description - NCP1236_16 |
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