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ISL9208 Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL9208 Datasheet(HTML) 6 Page - Intersil Corporation |
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6 / 29 page  6 FN6446.0 February 16, 2007 ISL9208 OVERCURRENT/SHORT CIRCUIT PROTECTION SPECIFICATIONS Overcurrent Detection Threshold (Discharge) Voltage Relative To DSREF (Default in Boldface) VOCD VOCD = 0.10V (OCDV1, OCDV0 = 0, 0) 0.08 0.10 0.12 V VOCD = 0.12V (OCDV1, OCDV0 = 0,1) 0.10 0.12 0.14 V VOCD = 0.14V (OCDV1, OCDV0 = 1,0) 0.12 0.14 0.16 V VOCD = 0.16V (OCDV1, OCDV0 = 1,1) 0.14 0.16 0.18 V Overcurrent Detection Threshold (Charge) Voltage Relative to DSREF (Default in Boldface) VOCC VOCC = 0.10V (OCCV1, OCCV0 = 0, 0) -0.12 -0.10 -0.07 V VOCC = 0.12V (OCCV1, OCCV0 = 0,1) -0.14 -0.12 -0.09 V VOCC = 0.14V (OCCV1, OCCV0 = 1,0) -0.16 -0.14 -0.11 V VOCC = 0.16V (OCCV1, OCCV0 = 1,1) -0.18 -0.16 -0.13 V Short Current Detection Threshold Voltage Relative to DSREF (Default in Boldface) VSC VOC = 0.20V (SCDV1, SCDV0 = 0, 0) 0.15 0.20 0.25 V VOC = 0.35V (SCDV1, SCDV0 = 0,1) 0.30 0.35 0.40 V VOC = 0.65V (SCDV1, SCDV0 = 1, 0) 0.60 0.65 0.70 V VOC = 1.20V (SCDV1, SCDV0 = 1,1) 1.10 1.20 1.30 V Load Monitor Input Threshold (Falling Edge) VVMON LDMONEN bit = “1” 1.1 1.45 1.8 V Load Monitor Input Threshold (Hysteresis) VVMONH LDMONEN bit = “1” 0.25 mV Load Monitor Current IVMON 20 40 60 µA Short Circuit Time-out tSCD Short circuit detection delay (SCLONG bit = ‘0’) 70 150 220 µs Short circuit detection delay (SCLONG bit = ‘1’) 48 12 ms Over Discharge Current Time-out (Default In Boldface) tOCD tOCD = 128ms (OCDT1, OCDT0 = 0, 0 and DTDIV = 0) 64 128 192 ms tOCD = 256ms (OCDT1, OCDT0 = 0, 1 and DTDIV = 0) 128 256 384 ms tOCD = 512ms (OCDT1, OCDT0 = 1, 0 and DTDIV = 0) 256 512 768 ms tOCD = 1024ms (OCDT1, OCDT0 = 1, 1 and DTDIV = 0) 512 1024 1536 ms tOCD = 2ms (OCDT1, OCDT0 = 0, 0 and DTDIV = 1) 12 3 ms tOCD = 4ms (OCDT1, OCDT0 = 0, 1 and DTDIV = 1) 24 6 ms tOCD = 8ms (OCDT1, OCDT0 = 1, 0 and DTDIV = 1) 48 12 ms tOCD = 16ms (OCDT1, OCDT0 = 1, 1 and DTDIV = 1) 816 24 ms Operating Specifications Over the recommended operating conditions unless otherwise specified (Continued) PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT |
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