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A1157LLHLT-T Datasheet(PDF) 5 Page - Allegro MicroSystems |
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A1157LLHLT-T Datasheet(HTML) 5 Page - Allegro MicroSystems |
5 / 14 page 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-layer PCB, P ackage UA (R θJA = 228 ºC /W) 1-layer P CB, Pack age LH (R θJA = 1 10 ºC /W) 2-lay er P CB, Pack age LH THERMAL CHARACTERISTICS: may require derating at maximum conditions; see application information Characteristic Symbol Test Conditions* Value Unit Package Thermal Resistance RθJA Package LH, on 1-layer PCB with copper limited to solder pads 228 ºC/W Package LH, on 2-layer PCB with 0.463 in.2 of copper area each side 110 ºC/W Package UA, on 1-layer PCB with copper limited to solder pads 165 ºC/W Package UB, on 1-layer PCB with copper limited to solder pads 213 ºC/W *Additional thermal information available on the Allegro website LH and UA Power Derating Curve UB Power Derating Curve LH and UA Power Dissipation versus Ambient Temperature UB Power Dissipation versus Ambient Temperature Chopper-Stabilized, Two-Wire Hall-Effect Switches A1150, A1152, A1153, A1155, A1156, A1157, and A1158 5 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com |
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