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IR3523MPBF Datasheet(PDF) 6 Page - International Rectifier |
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IR3523MPBF Datasheet(HTML) 6 Page - International Rectifier |
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6 / 37 page  IR3523 Page 6 of 37 June 20, 2008 PARAMETER TEST CONDITION MIN TYP MAX UNIT Soft Start and Delay Start Delay Measure Enable to EAOUTx activation 1 2.9 3.5 ms Start-up Time Measure Enable activation to PGx 3 8 13 ms OC Delay Time V(IINx) – V(OCSETx) = 500 mV 200 650 1000 us SS/DELx to FB Input Offset Voltage With FB = 0V, adjust V(SS/DEL) until EAOUTx drives high 0.7 1.4 1.9 V Charge Current -30 -50 -70 µA OC Delay Discharge Currents Measure at charge voltage 47 µA Fault Discharge Current 2.5 4.5 6.5 µA Hiccup Duty Cycle I(Fault) / I(Charge) 8 10 12 µA/µA Charge Voltage (Output 1,2) 3.5 3.9 4.2 V Delay Comparator Threshold Relative to Charge Voltage, SS/DELx rising - Note 1 70 mV Delay Comparator Threshold Relative to Charge Voltage, SS/DELx falling - Note 1 135 mV Delay Comparator Hysteresis 65 mV VID1 Sample Delay Comparator Threshold 2.8 3.0 3.2 V Discharge Comp. Threshold 150 200 300 mV Error Amplifiers Input Offset Voltage Measure V(FBx) – V(VDACx)). Note 2 25 oC ≤ T J ≤ 100 oC -1 0 1 mV FB1 Bias Current -5% Vrosc(V)*100 0 /Rosc(K ) +5% µA FB2 Bias Current -1 0 1 µA DC Gain Note 1 100 110 135 dB Bandwidth Note 1 20 30 40 MHz Slew Rate Note 1 5.5 12 20 V/µs Sink Current 0.4 0.85 1 mA Source Current 5.0 8.5 12.0 mA Maximum Voltage Measure V(VCCL) – V(EAOUTx) 500 780 950 mV Minimum Voltage 120 250 mV Open Control Loop Detection Threshold Measure V(VCCL) - V(EAOUT), Relative to Error Amplifier maximum voltage. 125 300 600 mV Open Control Loop Detection Delay Measure PHSOUT pulse numbers from V(EAOUTx) = V(VCCL) to PGx = low. 8 Pulse ENABLE Inputs Threshold Increasing 1.38 1.65 1.94 V Threshold Decreasing 0.8 0.99 1.2 V Threshold Hysteresis 470 620 800 mV Bias Current 0V ≤ V(x) ≤ 3.5V -5 0 5 uA Blanking Time Noise Pulse < 100ns will not register an ENABLE state change. Note 1 75 250 400 ns PGx Outputs Under Voltage Threshold - Voutx Decreasing Reference to VDAC -365 -315 -265 mV Under Voltage Threshold - Voutx Increasing Reference to VDAC -325 -275 -225 mV Under Voltage Threshold Hysteresis 5 53 110 mV Output Voltage I(PGx) = 4mA 150 300 mV Leakage Current V(PGx) = 5.5V 0 10 µA VCCL_DRV Activation Threshold I(PGx) = 4mA, V(PGx) < 400mV, V(VCCL) = 0 1.0 2.0 3.6 V |
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