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ECJ-1VB1A225K Datasheet(PDF) 6 Page - International Rectifier |
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ECJ-1VB1A225K Datasheet(HTML) 6 Page - International Rectifier |
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6 / 36 page  6 IR3837MPbF Rev 1.31 Electrical Specifications (continued) Unless otherwise specified, these specification apply over, 7.0V<V in=PVin<16V, Vref=0.6V in 0oC<T j< 125 oC. Typical values are specified at T a = 25 oC. PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT ERROR AMPLIFIER Vos_Vp Vfb-Vp, Vp=0.6V, Vref >2.0V -1 +1 Input Offset Voltage Vos_Vref Vfb-Vref, Vref=0.6V, Vp>2.0V -1 1 % Input Bias Current IFb(E/A) -1 +1 A Input Bias Current IVp(E/A) -1 +1 A Sink Current Isink(E/A) 0.40 0.85 1.2 mA Source Current Isource(E/A) 8 10 13 mA Slew Rate SR Note4 7 12 20 V/ s Gain-Bandwidth Product GBWP Note4 20 30 40 MHz DC Gain Gain Note4 100 110 120 dB Maximum Voltage Vmax(E/A) 3.4 3.5 3.75 V Minimum Voltage Vmin(E/A) 150 220 mV Common Mode Voltage 0 1.2 V OSCILLATOR Rt Voltage 0.665 0.7 0.735 V Rt=59K 225 250 275 Rt=28.7K 450 500 550 Frequency Range FS Rt=9.53K, Note4 1350 1500 1650 kHz Ramp Amplitude Vramp Note4 1.8 Vp-p Ramp Offset Ramp(os) Note4 0.6 V Min Pulse Width Dmin(ctrl) Note4 70 ns Max Duty Cycle Dmax Fs=250kHz 91 % Fixed Off Time Note4 300 ns Sync Frequency Range 20% above free running frequency 225 1650 kHz Sync Pulse Duration 100 200 ns Sync High 2 Sync Level Threshold Sync Low 0.6 V REFERENCE VOLTAGE Feedback Voltage VFB Vref pin floating, Vp=Vcc 0.6 V 0 oC<Tj<125oC -1.0 +1.0 Accuracy -40 oC<Tj<125oC, Note3 -2.0 +2.0 % Vref margining voltage Vref_marg 0.54 1.2 V Sink Current Isink_Vref Vref=0.7V 19 25 µA Source Current Isource_Vref Vref=0.5V 19 25 µA Tracker(upper) Vref pulled up externally 1.35 1.5 1.6 Tracker Comparator Threshold Tracker(lower) Vref pulled up externally 1.05 1.2 1.3 V Tracker Comparator Hysteresis Tracker_Hys Vref pulled up externally 220 300 420 mV |
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