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IR3531 Datasheet(PDF) 13 Page - International Rectifier |
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IR3531 Datasheet(HTML) 13 Page - International Rectifier |
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13 / 39 page  4+1 Phase Dual Output Control IC IR3531 March 22, 2012 | FINAL | V2.27 13 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Switch Node Rise Time SWRISE Note 1 - 5 - ns Switch Node Fall Time SWFALL Note 1 - 15 - ns A/D Program Inputs ADDR Pin Bias Current ADDRBIAS -2 0 2 µA ICCP Pin Bias Current ICCPBIAS -2 0 2 µA TSENS Pin Bias Current TSENBIAS -2 0 2 µA A/D Comparator Offset ADOFFSET -5 0 5 mV V12V Undervoltage VCC V12V Start VCCSTART 8.8 9.6 10.2 V VCC V12V Stop VCCSTOP 7.8 8.6 9.2 V VCC V12V Hysteresis VCCHYST 0.8 1 1.3 V SerialVID ALERT#, VDIO Buffer On Resistance ALERTRES - - 14.3 Ω ALERT#, VDIO Leakage Current ALERTLEAK -10 0 10 µA VCLK Bias Current VCLKBIAS -1 0 1 µA VDIO Bias Current VDIOBIAS -1 0 1 µA Transmit Data Prop Delay XMITDELAY VCLK rising to VDIO change 4 6 12 ns Comparator Threshold SVIDTHRSH VCLK, VDIO rising 500 590 650 mV VCLK, VDIO falling 450 515 650 Comparator Hysteresis SVIDHYST 50 75 - mV Link States Reset Timer SVIDTIME 200 - 600 ns PWMx Outputs Source Resistance PWMSRCR 50 144 500 Ω Sink Resistance PWMSNKR 75 117 290 Ω Tri-state Source Impedance PWMTRIZ 2.0 5.4 7.5 KΩ Tri-state Bias Current PWMTRIBIAS V(PWMx) = 1.65V -5 0 5 µA Tri-state Active Pull-up PWMTRIPUP V(PWMx) while sourcing 100 µA to GND 0.5 1 1.2 V Disable Comparator Threshold PWMDISTHR 0.4 0.6 0.9 V PWM High Voltage PWMHIGH I(PWM) = -1mA, measure VCC-PWM - - 1 V PWM Low Voltage PWMLOW I(PWM) = -1mA - - 1 V Body Braking Comparator Threshold Voltage with EAIN Decreasing BBRTHRFALL Measure relative to floor voltage -300 -200 -110 mV Threshold Voltage with EAIN Increasing BBRTHRRISE Measure relative to floor voltage -200 -100 -10 mV Hysteresis BBRTHRHYS 70 105 130 mV Propagation Delay BBRDELAY VCC = 5V Measure time from EAIN < V(DACIN) (200mV overdrive) to GATEL transition to < 4V. 30 65 90 ns BBR1# Source Resistance BBRSRCRES 20 40 75 Ω |
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