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IR3827M Datasheet(PDF) 8 Page - International Rectifier |
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IR3827M Datasheet(HTML) 8 Page - International Rectifier |
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8 / 44 page  IR3827 8 www.irf.com © 2013 International Rectifier July 18, 2013 ELECTRICAL CHARACTERISTICS (CONTINUED) Unless otherwise specified, these specifications apply over, 5.5V < Vin = PVin < 21V, 0°C < TJ < 125°C, LDO_Select=Gnd, SS_Select=Float. Typical values are specified at Ta = 25°C. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Ramp Offset Note 8 0.16 V Minimum Pulse Width Tmin(ctrl) Note 8 60 ns Maximum Duty Cycle Dmax Fs = 300kHz, Vin =PVin= 12V 86 % Fixed Off Time Toff Note 8 200 250 ns Sync Frequency Range Fsync 270 1320 kHz Sync Pulse Duration Tsync 100 200 ns Sync Level Threshold High 3 V Low 0.6 Error Amplifier Input Offset Voltage VFB – VSEQ, VSEQ=0.3V -3 +3 % Input Bias Current (VFB) IFB(E/A) -1 +1 µA Input Bias Current (VSEQ) ISEQ(E/A) 0 +4 Sink Current Isink(E/A) 0.4 0.85 1.2 mA Source Current Isource(E/A) 4 7.5 11 mA Slew Rate SR Note 8 7 12 20 V/µs Gain-Bandwidth Product GBWP Note 8 20 30 40 MHz DC Gain Gain Note 8 100 110 120 dB Maximum Output Voltage Vmax(E/A) 1.7 2.0 2.3 V Minimum Output Voltage Vmin(E/A) 100 mV Common Mode Input Voltage 0 1.2 V Reference Voltage (VREF) Feedback Voltage VFB LDO_Select= Gnd 0.6 V LDO_Select= Float 0.6 Accuracy 0°C < Tj < 70°C -0.6 +0.6 % -40°C < Tj < 125°C ; Note 9 -1.2 +1.2 Soft Start Soft Start Ramp Rate SS_Select=High 0.34 0.4 0.46 mV/µs SS_Select=Float 0.17 0.2 0.23 SS_Select=Gnd 0.085 0.1 0.115 SS_Select Input Bias Current LDO_Select=Gnd SS_Select=Gnd 40 80 uA |
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