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IR3892M Datasheet(PDF) 8 Page - International Rectifier |
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IR3892M Datasheet(HTML) 8 Page - International Rectifier |
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8 / 52 page  IR3892 8 www.irf.com © 2014 International Rectifier Submit Datasheet Feedback May 29, 2014 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Reference Voltage Feedback Voltage Vfb VSeq=3.3V 0.5 V Accuracy 0°C < Tj < 85°C -1 +1 % -40°C < Tj < 125°C, Note 5 -1.5 +1.5 Soft Start Soft Start Ramp Rate Ramp (SS_start) 0.14 0.18 0.22 mV / µs Fault Protecion Current Limit ICC Vcc=5.5V, Tj = 25°C 7.8 9 10.4 A / Phase Hiccup blanking time Tblk_Hiccup Note 4 20.48 ms OFLP Trip Threshold OFLP(threshold) Fb Falling 65 70 75 %Vref OFLP Fault Prop Delay OFLP(delay) 0.1 0.3 0.5 µs OVP Trip Threshold OVP(threshold) Vsns Rising 115 120 125 %Vref OVP Trip Threshold Hysteresis OVP_Hys Vsns falling from above 120% of Vref, Sync_FET turns off afterwards 25 mV OVP Comparator Delay OVP(delay) 2 µs Thermal Shutdown Note 4 140 °C Thermal Hysteresis Note 4 20 °C VCC-Start-Threshold VCC_UVLO_Start VCC Rising Trip Level 4.0 4.2 4.4 V VCC-Stop-Threshold VCC_UVLO_Stop VCC Falling Trip Level 3.7 3.9 4.1 Input / Output Signals Enable-Start-Threshold EN_UVLO_Start Supply ramping up 1.14 1.2 1.26 V Enable-Stop-Threshold EN_UVLO_Stop Supply ramping down 0.95 1 1.05 Enable leakage current Ien Enable=3.3V 3 4.5 µA Power Good upper Threshold VPG(upper) Vsns Rising 80 85 90 %Vref Power Good lower Threshold VPG(lower) Vsns Falling 75 80 85 %Vref Lower Threshold Delay VPG(lower)_Dly Vsns Rising 1 1.3 1.6 ms PGood Voltage Low PG(voltage) IPgood= -5mA 0.5 V Note: 4. Guaranteed by design but not tested in production. 5. Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production. |
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Similar Description - IR3892M_15 |
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