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NCP1071P100G Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1071P100G Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 30 page NCP1070, NCP1071, NCP1072, NCP1075, NCP1076, NCP1077 www.onsemi.com 6 ELECTRICAL CHARACTERISTICS (For all NCP107X products except NCP1072P100BG: For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, VCC = 8 V unless otherwise noted) (For NCP1072P100BG: For typical values TJ = 25°C, for min/max values TJ = −55°C (Note 7) to +125°C, VCC = 8 V unless otherwise noted) Symbol Unit Max Typ Min Pin Rating CURRENT COMPARATOR IIPK(0) Maximum internal current setpoint at beginning of switching cycle FB pin open, Tj = 25 °C NCP1070 NCP1071 NCP1072 NCP1075 NCP1076 NCP1077 273 382 254 467 689 846 304 425 282 508 765 940 334 467 310 549 841 1034 mA IIPKSW Final switch current with a primary slope of 200 mA/ ms, FSW =65 kHz (Note 4) NCP1070 NCP1071 NCP1072 NCP1075 NCP1076 NCP1077 − − − − − − 314 427 296 510 732 881 − − − − − − mA IIPKSW Final switch current with a primary slope of 200 mA/ ms, FSW =100 kHz (Note 4) NCP1070 NCP1071 NCP1072 NCP1075 NCP1076 NCP1077 − − − − − − 309 415 293 500 706 845 − − − − − − mA IIPKSW Final switch current with a primary slope of 200 mA/ ms, FSW =130 kHz NCP1070 NCP1071 NCP1072 (Note 5) NCP1075 NCP1076 NCP1077 − − − − − − 303 407 291 493 684 814 − − − − − − mA TSS Soft−start duration (guaranteed by design) − − 1 − ms TLEB Leading Edge Blanking Duration − − 200 − ns Tprop Propagation delay from current detection to drain OFF state − − 100 − ns INTERNAL OSCILLATOR fOSC Oscillation frequency, 65 kHz version, Tj = 25 °C (Note 6) − 59 65 71 kHz fOSC Oscillation frequency, 100 kHz version, Tj = 25 °C (Note 6) − 90 100 110 kHz fOSC Oscillation frequency, 130 kHz version, Tj = 25 °C (Note 5 et 6) − 117 130 143 kHz fjitter Frequency jittering in percentage of fOSC − − ±6 − % fswing Jittering swing frequency − − 300 − Hz Dmax Maximum duty−cycle NCP1070/71/72/75 except NCP1072P100BG NCP1076/77/72B & NCP1072P100BG − − 62 65 68 69 72 73 % FEEDBACK SECTION IFBfault FB current for which Fault is detected 4 −35 mA IFB100% FB current for which internal current set−point is 100% (IIPK(0)) 4 −44 mA IFBFreeze FB current for which internal current set−point is IFreeze 4 − −90 − mA Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 4. The final switch current is: IIPK(0) / (Vin/LP + Sa) x Vin/LP + Vin/LP x tprop, with Sa the built−in slope compensation, Vin the input voltage, LP the primary inductor in a flyback, and tprop the propagation delay. 5. NCP1072 130 kHz on demand only. 6. Oscillator frequency is measured with disabled jittering. 7. For coldest temperature, QA sampling at −40 °C in production and −55°C specification is Guaranteed by Characterization. |
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