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NCP1077STBT3G Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP1077STBT3G Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 30 page NCP1070, NCP1071, NCP1072, NCP1075, NCP1076, NCP1077 www.onsemi.com 5 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 Rating Pin Min Typ Max Unit SUPPLY SECTION AND VCC MANAGEMENT VCC(on) VCC increasing level at which the switcher starts operation NCP1070/71/72/75 NCP1076/77 1 1 7.8 7.7 8.2 8.1 8.6 8.5 V VCC(min) VCC decreasing level at which the HV current source restarts 1 6.5 6.8 7.2 V VCC(off) VCC decreasing level at which the switcher stops operation (UVLO) 1 6.1 6.3 6.6 V VCC(reset) VCC voltage at which the internal latch is reset (guaranteed by design) 1 4 V VCC(clamp) Offset voltage above VCC(on) at which the internal clamp activates NCP1070/71 NCP1072/75 NCP1076/77 1 1 1 110 130 130 170 190 190 300 300 300 mV ICC1 Internal IC consumption, Mosfet switching NCP1070/71/72/75 NCP1076/77 1 1 − − 0.7 1.0 1.0 1.3 mA ICCskip Internal IC consumption, FB is 0 V (No switching on MOSFET) 1 360 mA POWER SWITCH CIRCUIT RDS(on) Power Switch Circuit on−state resistance (Id = 50 mA) NCP1070/71 TJ = 25°C TJ = 125°C NCP1072/75 TJ = 25°C TJ = 125°C NCP1076/77 TJ = 25°C TJ = 125°C 5 − − − − − − 22 38 11 19 4.7 8.7 32 55 16 24 6.9 10.75 W BVDSS Power Switch Circuit & Startup breakdown voltage (ID(off) = 120 mA, TJ = 25°C) 5 700 V IDSS(off) Power Switch & Startup breakdown voltage off−state leakage current TJ = 125°C (Vds = 700 V) 5 85 mA ton toff Switching characteristics (RL=50 W, VDS set for Idrain = 0.7 x Ilim) Turn−on time (90% − 10%) Turn−off time (10% − 90%) 5 5 20 10 ns INTERNAL START−UP CURRENT SOURCE Istart1 High−voltage current source, V = VCC(on) − 200 mV NCP1070/71/76/77 NCP1072/75 5 5 5.2 5 9.2 9 12.2 12 mA Istart2 High−voltage current source, VCC = 0 V 5 0.5 mA VCCTH VCC Transient level for Istart1 to Istart2 toggling point 1 − 2.2 − V CURRENT COMPARATOR IIPK Maximum internal current setpoint at 50% duty cycle FB pin open, Tj = 25 °C NCP1070 NCP1071 NCP1072 NCP1075 NCP1076 NCP1077 − − − − − − 250 350 250 450 650 800 − − − − − − 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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Similar Description - NCP1077STBT3G |
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