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NCP1650DR2G Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP1650DR2G Datasheet(HTML) 4 Page - ON Semiconductor |
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4 / 31 page  NCP1650 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (continued) (Unless otherwise noted: VCC = 14 volts, CT = 470 pF, C2 = 0.1 mF, TJ = 25°C for typical values. For min/max values TJ is the applicable junction temperature.) Characteristic Symbol Min Typ Max Unit POWER ERROR AMPLIFIER (Vcomp = 2.0 V, Vref = 2.5 V) Input Offset Voltage (Note 3) VIO − 20 − mV Transconductance gm 60 100 150 umho Output Source (Vref + 0.2 V) IOsource 10 20 − mA Output Sink (Vref − 0.2 V) IOsink −10 −20 − mA Boost Current (Vref = 2.5 V nominal) Source Boost Current Threshold Vfb(boost+) − 1.175 − V/V Sink Boost Current Threshold Vfb(boost−) − 0.825 − V/V Source Boost Current (1.3 X Vref) I(boost+) 150 250 − mA Sink Boost Current I(boost−) −150 −285 − mA AC ERROR AMPLIFIER Input Offset Voltage (Note 3) VIO − 20 − mV Transconductance gm 60 100 150 umho Output Source (Pin 4 = 4 V, Pin 5 = 0 V) IOsource 25 70 − mA Output Sink (Pin 4 = 0 V, Pin 5 = 4 V) IOsink −25 −70 − mA AC Inverting Input Clamp Voltage (250 mA) (TJ = 25°C) Vclamp 4.30 4.45 4.60 V AC Inverting Input Clamp Voltage (250 mA) (TJ = −40°C to +125°C) Vclamp 3.70 − 4.60 V Gain from ACcomp to PWM+ (Av = VPWM+ / (VACcomp – Voffset)) (Note 3) AV − 2.0 − V/V CURRENT SENSE AMPLIFIER Input Bias Current (Pin 11) Ibias −40 −50 −80 mA Differential Input Voltage Range (Note 3) VIdiff − −0.20 − V Input Offset Voltage VIO 0 2.5 5.0 mV Output Gain (150 mA/0.150 V) (Voltage Loop Outputs) (Note 3) Av − 1000 − umho Output Gain (150 mA/0.150 V) (Max Pwr Output) (R10 = 15 kW) (Note 3) Av − 1000 − umho Bandwidth (Note 3) funity − 1.5 − MHz PWM Output Voltage Gain (k = VPWM+ / Vsense−) (Pin 13 = Open) (TJ = −40°C to + 125°C) Av 12.9 15 17 V/V Current Limit Voltage Gain (k = Vace/a / Vsense−) (Vpin5 = 0, R10 = 15 k) Av 13 15 17 V/V Power Output Voltage Gain (k = Vpin10 / Vsense−) (TJ = −40°C to + 125°C) k 13.4 15 17 V/V Current Limit Threshold (Vpin5 = 0, Pin 13 = Open) ILIMthr 225 270 315 mV Current Limit Delay (0 to –450 mV Step) (Note 3) ILIMdelay − 300 − nS REFERENCE MULTIPLIER Dynamic Input Voltage Range Ac Input (p−input) (Note 3) Compensation Input (a−input) (Note 3) Offset Voltage (a−input) Vmax − − − 3.75 − 1.0 − − − V Multiplier Gain (Note 3) k + Vmult out (VAC Vramp pk) (VLOOPcomp * Voffset) k − 8.0 − 1.0/V 3. Verified by design. |
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