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ERJ-3EKF4122V Datasheet(PDF) 9 Page - International Rectifier |
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ERJ-3EKF4122V Datasheet(HTML) 9 Page - International Rectifier |
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9 / 47 page  Dual output, 4A/Phase, Highly Integrated SupIRBuck TM Single-Input Voltage, Synchronous Buck Regulator IR3891 9 www.irf.com © 2013 International Rectifier May 08, 2013 TYPICAL EFFICIENCY AND POWER LOSS CURVES PVin = 12V, Vcc = Internal LDO, Io=0-4A, Fs= 600kHz, Room Temperature, No Air Flow. Note that the losses of the inductor, input and output capacitors are also considered in the efficiency and power loss curves. The table below shows the indicator used for each of the output voltages in the efficiency measurement while running a single channel and disabling the other. VOUT (V) LOUT (uH) P/N DCR (mΩ) 1.0 1.5 7443340150 (Wurth Elektronik) 4.4 1.2 1.5 7443340150 (Wurth Elektronik) 4.4 1.8 2.2 7443340220 (Wurth Elektronik) 4.4 3.3 3.3 7443340330 (Wurth Elektronik) 6.5 5.0 3.3 7443340330 (Wurth Elektronik) 6.5 |
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