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IR3897 Datasheet(PDF) 10 Page - International Rectifier |
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IR3897 Datasheet(HTML) 10 Page - International Rectifier |
10 / 47 page - 10 - JANUARY 18, 2013 |DATA SHEET | Rev 3.5 10 IR3897 4A Highly Integrated SupIRBuck TM Single‐Input Voltage, Synchronous Buck Regulator PD‐97663 71 73 75 77 79 81 83 85 87 89 91 93 95 97 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 Load Current (A) 1.0V 1.2V 1.8V 3.3V 5.0V 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 Load Current (A) 1.0V 1.2V 1.8V 3.3V 5.0V TYPICAL EFFICIENCY AND POWER LOSS CURVES PVin = 12V, Vcc = Internal LDO (4.4V/6.4V), Io = 0A‐4A, Fs = 600KHz, Room Temperature, No Air Flow. Note that the efficiency and power loss curves include the losses of IR3897, 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 1.5 PCMB065T-1R5MS(Cyntec) 6.7 1.2 1.5 PCMB065T-1R5MS(Cyntec) 6.7 1.8 2.2 7443340220(Wurth Elektronik) 4.4 3.3 3.3 7443340330(Wurth Elektronik) 6.5 5 3.3 7443340330(Wurth Elektronik) 6.5 |
Similar Part No. - IR3897_13 |
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Similar Description - IR3897_13 |
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