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LTC4367 数据表(PDF) 5 Page - Analog Devices |
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LTC4367 数据表(HTML) 5 Page - Analog Devices |
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5 / 30 page ![]() LTC7000A 5 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = VSNS+ = 10V, VCC = VBST = 10V, VTS = GND = 0V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Output Gate Driver (TG) TG Pull-Up Resistance VIN = VBST = 12V l 2.2 7 Ω TG Pull-Down Resistance VIN = VBST = 12V l 1 4 Ω tr Output Rise Time 10% to 90%, CL = 1nF 10% to 90%, CL = 10nF 13 90 ns ns tf Output Fall Time 10% to 90%, CL = 1nF 10% to 90%, CL = 10nF 13 40 ns ns tPLH tPHL Input to Output Propagation Delay VINP Rising, CL = 1nF VINP Falling, CL = 1nF l l 35 35 70 70 ns ns Operation VIH VIL Input Threshold Voltages VINP Rising VINP Falling Hysteresis l l 1.7 1.3 2 1.6 400 2.2 1.8 V V mV Input Pull-Down Resistance VINP = 1V 1 MΩ RUN and OVLO Pin Threshold Voltages Rising Falling Hysteresis 1.16 1.05 1.21 1.10 110 1.26 1.15 V V mV RUN and OVLO Leakage Current VRUN = 1.3V, VOVLO = 1.3V l –100 0 100 nA TIMER Threshold Voltage VTIMER Rising to VFAULT Going Low 1.25 1.3 1.35 V TIMER Early Warning Voltage VFAULT Going Low to (TG-TS) Going Low 75 100 125 mV TIMER Pin Fault Pull-Up Current VTIMER = 1.0V, ISET = OPEN l –115 –100 –80 µA TIMER Pin Pull-Down Current VTIMER = 0.6V ISET = OPEN ΔVSNS = 0mV 2.0 2.5 3.0 µA FAULT Output Low Voltage IFAULT = 1mA l 0.2 0.5 V FAULT Leakage Current VFAULT = 5V l –100 0 100 nA ΔVTH Current Sense Threshold Voltage ΔVSNS = (VSNS+ – VSNS–) ISET = OPEN or LTC7000A-1 VISET = 1.2V (LTC7000A Only) VISET = 0V (LTC7000A Only) l 22 54 15 30 60 20 36 64 24 mV D Retry Duty Cycle ΔVSNS = 200mV CTIMER = 1nF l 0.06 0.1 % ISET (LTC7000A Only) and VCCUV Pull-Up Current VISET = 1.0V, VCCUV = 1.0V –11.3 –10 –8.7 µA IMON Output Voltage (LTC7000A Only) ΔVSNS = 60mV, VTIMER = 0V, VINP = 3.5V ΔVSNS = 30mV, VTIMER = 0V, VINP = 3.5V ΔVSNS = 0mV, VTIMER = 0V, VINP = 3.5V l 1.12 0.52 1.2 0.6 0 1.28 0.68 0.1 V V V Over-Current to TG Low Propagation Delay ΔVSNS Step 10mV to 50mV, ISET = OPEN, VTIMER = VCC, VINP = 3.5V 70 ns |
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