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ACT4921QI Folha de dados(PDF) 11 Page - Active-Semi, Inc |
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ACT4921QI Folha de dados(HTML) 11 Page - Active-Semi, Inc |
11 / 35 page ACT4921QI Rev 1.0, 18-Jan-2018 Innovative PowerTM www.active-semi.com ActiveSwitcherTM is a trademark of Active-Semi Copyright © 2018 Active-Semi, Inc. 11 INTERNAL EFUSE (VIN = 5V, TA = 25°C, unless otherwise specified) PARAMETER CONDITIONS MIN TYP MAX UNIT Normal Mode Operating Voltage Range 2.6 7 V eFuse On-Resistance ISW = -2A, VIN= 3.3V or 5V, TJ = 25°C 20 mΩ ISW = -2A, VIN= 3.3V or 5V, TJ = 100°C 25 mΩ Blocking FET On-Resistance IOUT = 2A, VIN= 3.3V or 5V, TJ = 25°C 30 mΩ IOUT = 2A, VIN= 3.3V or 5V, TJ = 100°C 38 mΩ Programmable eFuse Current Limit Range VIN = 5V, Configured using ISET pin, Triggers nIRQ Pin 1 6 A eFuse Current Limit Accuracy -10 +10 % Blocking FET Current Limit VOUT-VB > 560mV or at initial startup 300 mA VOUT-VB < 560mV except at initial startup 1800 ISET Monitor Current Ratio ISET current divided by eFuse current 1/20,000 eFuse Overcurrent Detection Deglitch 10 µs eFuse Overcurrent Current Shutdown Shuts down after deglitch time and stays off for Off Time 6 A Current Limit Restart Time 100 ms eFuse Soft start CSS = 10nF 5.94 6.6 7.26 mV/us EN Input Low VIO = 1.8V 0.58 V EN Input High VIO = 1.8V 1.22 V |
Nº de peça semelhante - ACT4921QI |
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Descrição semelhante - ACT4921QI |
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