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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADM1270ARQZ-R7 데이터시트(PDF) 3 Page - Analog Devices |
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ADM1270ARQZ-R7 데이터시트(HTML) 3 Page - Analog Devices |
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3 / 21 page  Data Sheet ADM1270 Rev. A | Page 3 of 21 SPECIFICATIONS VCC/VSENSE+ = 4 V to 60 V, VSENSE = (VSENSE+ − VSENSE−) = 0 V, TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter Symbol Min Typ Max Unit Test Conditions/Comments POWER SUPPLY Operating Voltage Range VCC 4 60 V Quiescent Current ICC 360 500 μA GATE on UV PIN Input Current IUV 0.005 0.2 μA UV ≤ 5.5 V, TA = −40°C to +85°C 0.005 1 μA UV ≤ 5.5 V, TA = −40°C to +125°C UV Threshold UVTH 0.985 1.0 1.015 V UV falling UV Threshold Hysteresis UVHYST 55 60 65 mV UV Glitch Filter UVGF 4 7 μs 50 mV overdrive UV Propagation Delay UVPD 6 8 μs UV low to GATE pull-down circuit active OV PIN Input Current IOV 0.005 0.2 μA OV ≤ 5.5 V, TA = −40°C to +85°C 0.005 1 μA OV ≤ 5.5 V, TA = −40°C to +125°C OV Threshold OVTH 0.985 1.0 1.015 V OV rising OV Threshold Hysteresis OVHYST 25 30 35 mV OV Glitch Filter OVGF 0.5 2.0 μs 50 mV overdrive OV Propagation Delay OVPD 1.5 2.5 μs OV high to GATE pull-up circuit active SENSE− Input Current ISENSE− 20 40 70 μA SENSE− = 60 V VCAP PIN Internally Regulated Voltage VVCAP 3.546 3.6 3.636 V 0 μA ≤ IVCAP ≤ 1 mA, CVCAP = 1 μF Undervoltage Lockout UVLO Rising UVLORISE 3.4 V VCC rising Falling UVLOFALL 3.0 V VCC falling Hysteresis UVLOHYST 230 mV ISET PIN Input Current IISET 0.005 0.2 μA VISET ≤ VVCAP, TA = −40°C to +85°C 0.005 1 μA VISET ≤ VVCAP, TA = −40°C to +125°C Reference Select Threshold VISETRSTH 2.55 2.6 2.65 V If VISET > VISETRSTH, an internal reference (VCLREF) is used Internal Reference VCLREF 2 V Accuracies included in total sense voltage accuracies Gain of Current Sense Amplifier AVCSAMP 40 V/V Accuracies included in total sense voltage accuracies RPFG PIN Reverse Protection FET Gate Drive Voltage VRPFG 0 V VCC ≤ 10 V Reverse Protection FET Gate Drive Voltage Offset ΔVRPFG 10 12 14 V ΔVRPFG = VCC − VRPFG, 60 V ≥ VCC ≥ 14 V, IRPFG ≤ 5 μA RPFG Pull-Down (On) Current IRPFGND 7 9 12 μA VRPFG = VCC GATE PIN GATE Drive Voltage ΔVGATE 10 12 14 V ΔVGATE = VCC − VGATE, 60 V ≥ VCC ≥ 14 V, IGATE ≤ 5 μA GATE Pull-Down (On) Current IGATEDN 20 25 30 μA VGATE = VCC GATE Pull-Up (Off ) Current IGATEUP Regulation IGATEUP_REG −50 −65 −80 μA ΔVGATE ≥ 2 V, (VSENSE+ − VSENSE−) = 70 mV Fault IGATEUP_FLT −7 −13 −20 mA ΔVGATE = 2 V |
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