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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADP1074ARWZ-R7 датащи(PDF) 5 Page - Analog Devices |
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ADP1074ARWZ-R7 датащи(HTML) 5 Page - Analog Devices |
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5 / 32 page  Data Sheet ADP1074 Rev. D | Page 5 of 32 Parameter Symbol Test Conditions/Comments Min Typ Max Unit GATE DRIVERS (PRIMARY) NGATE and PGATE High Voltage IVREG1 = 20 mA, VIN > 9 V 7.8 8 8.2 V Gate Short-Circuit Peak Current1 8 V on VREG1 1.0 A Rise Time 10% to 90% NGATE CNGATE = 2.2 nF 18 ns PGATE CPGATE = 410 pF 8 ns Fall Time 90% to 10% NGATE CNGATE = 2.2 nF 16 ns PGATE CPGATE = 410 pF 7 ns Source Resistance RON_SOURCE Source 100 mA NGATE 4 Ω PGATE 6.5 Ω Sink Resistance RON_SINK Sink 100 mA NGATE 3 Ω PGATE 3.5 Ω NGATE Maximum Duty Cycle DMAX Divider bottom resistor (RBOT) = 0 Ω 45 50 55 % Divider top resistor (RTOP) = RBOT, 1% resistors 75 % NGATE Minimum On Time Includes propagation delay and CS comparator blanking time 170 ns SRx DRIVERS (SECONDARY) SR1 and SR2 High Voltage IVREG2 = 15 mA, VDD2 > 5.5 V 4.9 5 5.1 V Gate Short-Circuit Peak Current1 5 V on VREG2 1.0 A SRx Time CSRx = 2.2 nF Rise 10% to 90% 14 ns Fall 90% to 10% 11 ns Minimum On Includes blanking time 230 ns SRx Resistance Source RON_SR_SOURCE Source 100 mA 3.5 Ω Sink RON_SR_SINK Sink 100 mA 2 Ω DELAYS Gate Delay (SR1 Rising to NGATE Rising) 35 ns Delay Between NGATE Falling Edge and SR1 Falling Edge iCoupler delay 21 ns SR DEAD TIME (PGATE RISING TO SR2 FALLING) Resistor (±5%) at NGATE Dead time resistor (RDT) = 10 kΩ 154 ns RDT = 22 kΩ 109 ns RDT = 47 kΩ 72 ns RDT is open 42 ns SR1 and SR2 Dead Time Dead time between SR1 and SR2 25 ns CURRENT-LIMIT SENSE (PRIMARY) CS Limit Threshold VCS_LIM Over current sense limit threshold 120 mV CS Leading Edge Blanking Time 150 ns Current Source di/dt for Slope Compensation Switching period (tS) = 1/fS 20 μA per tS |
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