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ADM1170 Datasheet(数据表) 3 Page - Analog Devices |
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ADM1170 Datasheet(HTML) 3 Page - Analog Devices |
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3 page 
ADM1170 Rev. 0 | Page 3 of 16 SPECIFICATIONS VCC = 2.7 V to 16.5 V, TA = −40°C to +85°C, typical values at TA = 25°C, unless otherwise noted. Table 1. Parameter Symbol Min Typ Max Unit Conditions VCC PIN Operating Voltage Range VCC 2.7 16.5 V Supply Current ICC 0.65 0.8 mA Undervoltage Lockout VUVLO 2.4 2.525 2.65 V VCC rising Undervoltage Lockout Hysteresis VUVLOHYS 40 mV ON (ON-CLR) PIN Input Current IINON −1 0 +1 μA Threshold VON 1.22 1.3 1.38 V ON rising Threshold Hysteresis VONHYST 50 mV SENSE PINS (SENSE+/SENSE−) Hot Swap Operating Range 1.6 16.5 V Input Current IINSENSE −160 −65 +13 μA VSENSE+ = 1.6 V Input Current IINSENSE 5 10 15 μA VSENSE+ ≥ 2.2 V Circuit Breaker Limit Voltage VCB 26 50 77 mV VCB = (VSENSE+ – VSENSE−), VSENSE+ = 1.6 V Circuit Breaker Limit Voltage VCB 44 50 56 mV VCB = (VSENSE+ – VSENSE−), VSENSE+ ≥ 2.2 V GATE PIN Drive Voltage VGATE 4.6 7.5 10 V VGATE − VCC, VCC = 3.0 V 6.0 8 12 V VGATE − VCC, VCC = 3.3 V 8.75 10 12 V VGATE − VCC, VCC = 5 V 7.5 9 12 V VGATE − VCC, VCC = 12 V 5.56 8 12 V VGATE − VCC, VCC = 15 V Pull-Up Current −6.5 −12 −14.5 μA VGATE = 0 V Pull-Down Current 4 mA VGATE = 3 V, VCC = 5 V, ON (ON-CLR) = low Pull-Down Current 25 mA VGATE = 3 V, VCC < UVLO TIMER PIN Pull-Up Current ITIMERUP −2 −5 −8.5 μA Initial cycle, VTIMER = 1 V −25 −60 −100 μA During current fault, VTIMER = 1 V Pull-Down Current ITIMERDN 2 3.5 μA After Cct breaker tip, VTIMER = 1 V 100 μA Normal operation, VTIMER = 1 V Threshold High VTIMERH 1.22 1.3 1.38 V TIMER rising Threshold Low VTIMERL 0.15 0.2 0.25 V TIMER falling SS PIN Soft Start Pull-Up Current 10 μA Current Setting Gain 20 V/V VSS/VSENSE Soft Start Completion Voltage 1 V Pull-Down Current 50 μA During fault tOFF Turn-Off Time (TIMER Rise to GATE Fall) 2 μs VTIMER = 0 V to 2 V step, VCC = VON = 5 V Turn-Off Time (ON Fall to GATE Fall) 40 μs VON = 5 V to 0 V step, VCC = 5 V Turn-Off Time (VCC Fall to IC Reset) 40 μs VCC = 5 V to 2 V step, VON = 5 V |
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