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IR3552 Datasheet(PDF) 9 Page - International Rectifier

Part # IR3552
Description  40A Integrated PowIRstage
PDF  23 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3552 Datasheet(HTML) 9 Page - International Rectifier

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IR3552
40A Integrated PowIRstage
®
www.irf.com | © 2014 International Rectifier
February 19, 2014 | FINAL
9
TYPICAL OPERATING CHARACTERISTICS
Circuit of Figure 31, VIN=12V, VOUT=1.2V, ƒSW
= 400kHz, L=150nH (0.29mΩ), PWM Mode, Vcc= 5V, VDRV=7V,
TAMBIENT = 25°C, no heat sink, no air flow, 8-layer PCB board of 3.7”(L) x 2.6”(W), no PWM controller loss, no
inductor loss, unless specified otherwise.
Figure 7: Typical IR3552 Efficiency, 300kHz
Figure 8: Typical IR3552 Efficiency, 400kHz
Figure 9: Typical IR3552 Power Loss, 400kHz
Figure 10: Normalized Power Loss vs. Input Voltage
Figure 11: Normalized Power Loss vs. Output Voltage
Figure 12: Normalized Power Loss vs. Switching Frequency



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