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AP1184K5-15L-U Datasheet(PDF) 7 Page - Diodes Incorporated |
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AP1184K5-15L-U Datasheet(HTML) 7 Page - Diodes Incorporated |
7 / 12 page AP1184 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR AP1184 Rev. 1 7 of 12 MARCH 2007 www.diodes.com © Diodes Incorporated Functional Descriptions ( Continued ) Assuming, the following conditions: Vout = 2.5V Vin = 3.3V Vctrl = 5V Iout = 2A DC Avg. Calculate the maximum power dissipation using the following equation: Pd = Iout * ( Vin - Vout) + ( Iout /60) * ( Vctrl - Vout ) Pd = 2 * (3.3-2.5) + (2/60) * (5-2.5) = 1.68W Using table below select the proper package and the amount of copper board needed. Package Copper Area θJA ( oC/W) Max Pd (TA = 25 oC) Max Pd (TA = 45oC) SOP-8L 1.0” X 1.0” 65 1.7W 1.4W TO263-3L Pad Size-1.4”X1.4” 25-45 2.4W-4.4W 2.0W-3.6W Note: 6. Above table is based on the maximum junction temperature of 135 oC. As shown in the above table, any of the two packages will do the job. For low cost applications the SOP-8L package is recommended. |
Similar Part No. - AP1184K5-15L-U |
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Similar Description - AP1184K5-15L-U |
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