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GRM188R71H222KA01D Datasheet(PDF) 2 Page - International Rectifier |
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GRM188R71H222KA01D Datasheet(HTML) 2 Page - International Rectifier |
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2 / 47 page  Dual output, 4A/Phase, Highly Integrated SupIRBuck TM Single-Input Voltage, Synchronous Buck Regulator IR3891 2 www.irf.com © 2013 International Rectifier May 08, 2013 BASIC APPLICATION Figure 1: IR3891 Basic Application Circuit 73 75 77 79 81 83 85 87 89 91 93 0.51 1.52 2.5 3 3.5 4 Load Current[A] 1.2V 1.8V Figure 2: Efficiency [Vin=12V, Fsw=600kHz] PIN DIAGRAM 5mm X 6mm POWER QFN Top View 25 PGnd1 12 3 4 5 6 7 8 9 13 12 11 10 17 16 15 14 18 Boot2 PGood2 Comp2 FB2 PGnd2 PGnd2 PVin2 PVin2 PGnd2 19 SW2 20 21 SW1 22 24 PGnd1 23 PGnd1 28 Boot1 27 PVin1 26 PVin1 31 FB1 30 Comp1 29 PGood1 |
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