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ADM1073ARU-REEL Folha de dados(PDF) 4 Page - Analog Devices |
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ADM1073ARU-REEL Folha de dados(HTML) 4 Page - Analog Devices |
4 / 24 page ADM1073 Rev. 0| Page 4 of 24 SPECIFICATIONS VDD = 0 V, VEE = −48 V; TA = −40°C to +85°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions BOARD SUPPLY (Not Connected Directly to Device) Maximum Voltage Range −200 −48 −18 V Typical Operating Voltage Range −80 −48 −35 V Limited by external components VIN PIN—SHUNT REGULATOR Operating Supply Voltage Range 11.7 12.3 12.9 V IIN = 0.6 mA to 2 mA Quiescent Supply Current 300 500 µA VIN = 11.7 V Maximum Shunt Supply Voltage 14 V IIN = 10 mA Undervoltage Lockout, VLKO 8 V Power-On Reset Delay 150 ms UV, OV PINS—UNDERVOLTAGE AND OVERVOLTAGE DETECTION Undervoltage Falling Threshold, VUVF 825 868 910 mV Undervoltage Hysteresis Current 5 µA Undervoltage Fault Filter 0.6 ms Overvoltage Rising Threshold, VOVR 1.86 1.93 2.00 V Overvoltage Hysteresis Current 5 µA Overvoltage Fault Filter 5 µs Input Current 0.2 µA GATE PIN—FET DRIVER Maximum Gate Voltage 11.5 VIN(MAX) V IGATE = −1.0 µA Minimum Gate Voltage 10 100 mV IGATE = 1.0 µA Pull-Up Current −50 µA VGATE = 0 V to 8 V; VSS = 2 V −36 µA VGATE = 0 V to 8 V; VSS = 0 V Pull-Down Current 20 mA VGATE > 2 V 50 mA VGATE > 5 V SENSE PIN—CURRENT SENSE—SOFT START Current Limit Control Loop Threshold, VACL 97 100 103 mV IGATE = 0 mA Circuit Breaker Limit Voltage, VCB 86 90 mV Fast Current Limit Voltage, VFCL 110 mV Control Loop Transconductance 4.5 µA/mV Soft Start Pin Current 5 µA TIMER PIN—PWM CONTROL Minimum TIMER Pull-Up Current 18 19 20 µA IPWRGD < 4 µA; TA = 25°C to 85°C 16 19 20 µA IPWRGD < 4 µA Maximum TIMER Pull-Up Current 37 39 41 µA IPWRGD = 24 µA; TA = 25°C to 85°C 34 39 41 µA IPWRGD = 24 µA TIMER Pull-Down Current 1 µA TIMER Low Voltage Trip Point 0.45 0.50 0.55 V TIMER High Voltage Trip Point 2.34 2.42 2.50 V Current Limit On-Time, tON 6 ms IDRAIN = 4 µA; CTIMER = 47 nF Current Limit On-Time, tON, with Foldback 3 ms IDRAIN = 20 µA; CTIMER = 47 nF Number of Consecutive PWM Retry Cycles 7 Continuous Short-Circuit Time before Latched Shutdown 0.6 s CTIMER = 47 nF |
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