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NCP1611ADR2G Datasheet(PDF) 3 Page - ON Semiconductor |
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NCP1611ADR2G Datasheet(HTML) 3 Page - ON Semiconductor |
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3 / 28 page  NCP1611 http://onsemi.com 3 TYPICAL ELECTRICAL CHARACTERISTICS TABLE (Conditions: VCC = 15 V, TJ from −40°C to +125°C, unless otherwise specified) Symbol Rating Min Typ Max Unit START−UP AND SUPPLY CIRCUIT VCC(on) Start−Up Threshold, VCC increasing: A version B version 9.75 15.80 10.50 17.00 11.25 18.20 V VCC(off) Minimum Operating Voltage, VCC falling 8.50 9.00 9.50 V VCC(HYST) Hysteresis (VCC(on) − VCC(off)) A version B version 0.75 6.00 1.50 8.00 − − V ICC(start) Start−Up Current, VCC= 9.4 V − 20 50 mA ICC(op)1 Operating Consumption, no switching (Vsense pin being grounded) − 0.5 1.0 mA ICC(op)2 Operating Consumption, 50 kHz switching, no load on DRV pin − 2.0 3.0 mA CURRENT CONTROLLED FREQUENCY FOLD−BACK TDT1 Dead−Time, VFFcontrol = 2.60 V (Note 4) − − 0 ms TDT2 Dead−Time, VFFcontrol = 1.75 V 14 18 22 ms TDT3 Dead−Time, VFFcontrol = 1.00 V 32 38 44 ms IDT1 FFcontrol pin current, Vsense = 1.4 V and Vcontrol maximum 180 200 220 mA IDT2 FFcontrol pin current, Vsense = 2.8 V and Vcontrol maximum 110 135 160 mA VSKIP−H FFcontrol pin Skip Level, VFFcontrol rising − 0.75 0.85 V VSKIP−L FFcontrol pin Skip Level, VFFcontrol falling 0.55 0.65 − V VSKIP−HYST FFcontrol pin Skip Hysteresis 50 − − mV GATE DRIVE TR Output voltage rise−time @ CL = 1 nF, 10−90% of output signal − 30 − ns TF Output voltage fall−time @ CL = 1 nF, 10−90% of output signal − 20 − ns ROH Source resistance − 10 − W ROL Sink resistance − 7.0 − W ISOURCE Peak source current, VDRV = 0 V (guaranteed by design) − 500 − mA ISINK Peak sink current, VDRV = 12 V (guaranteed by design) − 800 − mA VDRVlow DRV pin level at VCC close to VCC(off) with a 10 kW resistor to GND 8.0 − − V VDRVhigh DRV pin level at VCC = 35 V (RL = 33 kW, CL = 1 nF) 10 12 14 V REGULATION BLOCK VREF Feedback Voltage Reference: from 0°C to 125°C Over the temperature range 2.44 2.42 2.50 2.50 2.54 2.54 V IEA Error Amplifier Current Capability − ±20 − mA GEA Error Amplifier Gain 110 220 290 mS VCONTROL −VCONTROLMAX −VCONTROLMIN Vcontrol Pin Voltage − @ VFB = 2 V − @ VFB = 3 V − − 4.5 0.5 − − V VOUTL / VREF Ratio (VOUT Low Detect Threshold / VREF) (guaranteed by design) 95.0 95.5 96.0 % HOUTL / VREF Ratio (VOUT Low Detect Hysteresis / VREF) (guaranteed by design) − − 0.5 % IBOOST Vcontrol Pin Source Current when (VOUT Low Detect) is activated 180 220 250 mA CURRENT SENSE AND ZERO CURRENT DETECTION BLOCKS VCS(th) Current Sense Voltage Reference 450 500 550 mV 4. There is actually a minimum dead−time that is the delay between the core reset detection and the DRV turning on (TZD parameter of the “Current Sense and Zero Current Detection Blocks” section). |
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