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ADM1172 Scheda tecnica(PDF) 3 Page - Analog Devices |
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ADM1172 Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 16 page Data Sheet ADM1172 Rev. A | 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 PIN Hot Swap Operating Range 2.7 16.5 V Input Current IINSENSE 5 10 15 µA Circuit Breaker Limit Voltage VCB 44 50 56 mV VCB = (VCC – VSENSE) 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 PFI PIN Threshold Rising 0.58 0.6 0.62 V Threshold Hysteresis 10 mV Input Current −1 0 +1 µA PFO PIN Pull-Up Current −5 µA Output Low Voltage 0.4 V ILOAD = 200 µA 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 |
Codice articolo simile - ADM1172_15 |
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Descrizione simile - ADM1172_15 |
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