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GRM1885C1H181JA01D Datasheet(PDF) 11 Page - International Rectifier |
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GRM1885C1H181JA01D Datasheet(HTML) 11 Page - International Rectifier |
11 / 45 page - 11 - AUGUST 08, 2012 | DATA SHEET | Rev 3.3 11 IR3898 6A Highly Integrated SupIRBuckTM Single-Input Voltage, Synchronous Buck Regulator PD-97662 83 85 87 89 91 93 95 97 0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6 Load Current (A) 1.0V 1.2V 1.8V 3.3V 5.0V 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 0.6 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 6 Load Current (A) 1.0V 1.2V 1.8V 3.3V 5.0V TYPICAL EFFICIENCY AND POWER LOSS CURVES PVin = 12V, Vcc = External 5V, Io = 0A-6A, Fs = 600 kHz, Room Temperature, No Air Flow. Note that the efficiency and power loss curves include the losses of IR3898, the inductor losses and the losses of the input and output capacitors. The table below shows the inductors used for each of the output voltages in the efficiency measurement. VOUT (V) LOUT (µH) P/N DCR (mΩ) 1.0 0.82 SPM6550T-R82M (TDK) 4.2 1.2 1.0 SPM6550T-1R0M (TDK) 4.7 1.8 1.0 SPM6550T-1R0M (TDK) 4.7 3.3 2.2 7443340220(Wurth Elektronik) 4.4 5 2.2 7443340220(Wurth Elektronik) 4.4 |
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