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ACS781KLRTR-150B-T Datasheet(PDF) 3 Page - Allegro MicroSystems |
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ACS781KLRTR-150B-T Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 22 page High-Precision Linear Hall-Effect-Based Current Sensor IC With 200 µΩ Current Conductor ACS781xLR 3 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com TYPICAL OVERCURRENT CAPABILITIES1,2 Characteristic Symbol Notes Rating Unit Overcurrent IPOC TA = 25°C, 1 s on time, 60 s off time 285 A TA = 85°C, 1 s on time, 35 s off time 225 A TA = 125°C, 1 s on time, 30 s off time 170 A TA = 150°C, 1 s on time, 10 s off time 95 A 1 Test was done with Allegro evaluation board (85-0807-001). The maximum allowed current is limited by TJ(max) only. 2 For more overcurrent profiles, please see FAQ on the Allegro website, www.allegromicro.com. THERMAL CHARACTERISTICS: May require derating at maximum conditions Characteristic Symbol Test Conditions* Value Unit Package Thermal Resistance RθJA Mounted on the Allegro evaluation board ASEK781 85-0807-001 with FR4 substrate and 8 layers of 2 oz. copper (with an area of 1530 mm2 per layer) connected to the primary leadframe and with thermal vias connecting the copper layers. Performance is based on current flow- ing through the primary leadframe and includes the power consumed by the PCB. 18 ºC/W *Additional thermal information available on the Allegro website ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Notes Rating Unit Forward Supply Voltage VCC 6 V Reverse Supply Voltage VRCC –0.5 V Forward Output Voltage VOUT 25 V Reverse Output Voltage VRIOUT –0.5 V Output Source Current IOUT(Source) VOUT to GND 2.8 mA Output Sink Current IOUT(Sink) Minimum pull-up resistor of 500 Ω 10 mA Nominal Operating Ambient Temperature TOP Range K –40 to 125 ºC Range L –40 to 150 ºC Maximum Junction TJ(max) 165 ºC Storage Temperature Tstg –65 to 165 ºC SPECIFICATIONS |
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