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ISL6560 Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6560 Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 14 page 4 FN9011.3 . Input Bias Current IFB - 5 100 nA Maximum Output Voltage VCOMP(MAX) FB Forced to VOUT - 3% - 3.0 - V Output Disable Threshold VCOMP(OFF) 560 720 800 mV FB Low Foldback Threshold VFB(LOW) 375 425 500 mV -3dB Bandwidth BWERR COMP = Open - 500 - kHz CURRENT SENSE Threshold Voltage VCS(TH) CS+ = VCC, FB Forced to VOUT - 3% 142 157 172 mV 0.8 ≤ COMP ≤ 1V - 0 15 mV Current Limit Foldback Voltage VCS(FOLD) FB ≤ 375mV 75 95 115 mV ∆V COMP/∆VCS ni 1 V ≤ V COMP ≤ 3V - 12.5 - V/V Input Bias Current ICS+, ICS- CS+ = CS- = VCC - 0.5 5.0 µA Response Time tCS CS+ - (CS-) ≥ 172mV to PWM Going Low - 50 - ns POWER GOOD COMPARATOR Undervoltage Threshold VPWRGD(UV) Percent of Nominal Output 76 82 88 % Overvoltage Threshold VPWRGD(OV) Percent of Nominal Output 114 124 134 % Output Voltage Low VOL(PWRGD) IPWRGD(SINK) = 100µA - 30 200 mV Response Time FB Going High - 2 - µs Response Time FB Going Low - 200 - ns PWM OUTPUTS Output Voltage Low VOL(PWM) IPWM(SINK) = 400µA - 100 500 mV Output Voltage High VOH(PWM) IPWM(SOURCE) = 400µA4.5 5.0 5.5 V Output Current IPWM 0.4 1 - mA Duty Cycle Limit, by Design DMAX Per Phase, Relative to fCT -- 50 % Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS TABLE 1. VOLTAGE IDENTIFICATION CODES VID4 VID3 VID2 VID1 VID0 VDAC 111 11 Off 111 10 1.100 111 01 1.125 111 00 1.150 110 11 1.175 110 10 1.200 110 01 1.225 110 00 1.250 101 11 1.275 101 10 1.300 101 01 1.325 101 00 1.350 100 11 1.375 100 10 1.400 100 01 1.425 100 00 1.450 011 11 1.475 011 10 1.500 011 01 1.525 011 00 1.550 010 11 1.575 010 10 1.600 010 01 1.625 010 00 1.650 001 11 1.675 001 10 1.700 001 01 1.725 001 00 1.750 000 11 1.775 000 10 1.800 000 01 1.825 000 00 1.850 TABLE 1. VOLTAGE IDENTIFICATION CODES (Continued) VID4 VID3 VID2 VID1 VID0 VDAC ISL6560 |
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