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A1145EUA-T Datasheet(PDF) 6 Page - Allegro MicroSystems |
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A1145EUA-T Datasheet(HTML) 6 Page - Allegro MicroSystems |
6 / 13 page 6 A1145-DS, Rev. 6 Worcester, Massachusetts 01615-0036 (508) 853-5000 115 Northeast Cutoff, Box 15036 www.allegromicro.com Allegro MicroSystems, Inc. Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches A1145 and A1146 THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Symbol Test Conditions* Value Units Package Thermal Resistance RθJA Package LH, 1-layer PCB with copper limited to solder pads 228 ºC/W Package LH, 2-layer PCB with 0.463 in.2 of copper area each side connected by thermal vias 110 ºC/W Package UA, 1-layer PCB with copper limited to solder pads 165 ºC/W *Additional thermal information available on Allegro Web site. 6 7 8 9 2 3 4 5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 20 40 60 80 100 120 140 160 180 Temperature (ºC) Power Derating Curve (RθJA = 228 ºC/W) 1-layer PCB, Package LH (RθJA = 110 ºC/W) 2-layer PCB, Package LH (RθJA = 165 ºC/W) 1-layer PCB, Package UA VCC(min) VCC(max) 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 20 40 60 80 100 120 140 160 180 Temperature (°C) Power Dissipation versus Ambient Temperature (R θJA = 165 ºC/ W) 1-laye r PCB, Packag e UA (R θJA = 22 8ºC/W ) 1-lay erPCB, Package LH (R θJA = 110 ºC/W) 2-layer PCB, Package LH |
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