IRDCIP2005A-A International Rectifier, IRDCIP2005A-A Datasheet
IRDCIP2005A-A
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IRDCIP2005A-A Summary of contents
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... International Rectifier • 233 Kansas Street, El Segundo, CA 90245 USA IRDCiP2005A-A: 1MHz, 65A DC, 80A Peak, Dual Phase, Sync Buck Converter using iP2005 Overview This reference design is capable of delivering a current of 65A DC or 80A peak (with heatsink ambient temperature of 45ºC and airflow of 300LFM. Figures 1–19 ...
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... IRDCiP2005A-A_______ Output current: This reference design is capable of delivering a continuous current of 65A (with heatsink) or 80A repetitive pulse current load (50A DC + 10% duty 30A DC ambient temperature of 45ºC and an airflow of 300LFM. Output Current Vs. Pow er Loss Output current (am ps) Output Current Vs. Efficiency Output current (am ps) www ...
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... Fig. 3 Load Line R Conditions: Vin=12V Vo=1.25V Io=60A Fsw=1MHz _IRDCiP2005A 1.2 mΩ LL Phase Margin= 108 deg Fc= 25.3 kHz Fig. 4 Bode Plot 3 Load Line when Vin=12V, Vdd=5V, Ta=25degC, Fsw=1MHz (A) www.irf.com ...
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... IRDCiP2005A-A_______ www.irf.com Fig. 5 Thermal Graph 1 Fsw=1MHz, Vdd=5V, Ta=45 ºC, Airflow=300LFM, Vin=12V, Vo=1.25V, Io=65A, with heat sink Fig. 6 Thermal Graph 2 Fsw=1MHz, Vdd=5V, Ta=45 ºC, Airflow=300LFM, Vin=12V, Vo=1.25V, Io=50A+30A (pulse), 4 ___ with heat sink ...
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... Vin En Vo _IRDCiP2005A-A Fig. 7 Power-Up Vin=12V Vo=1.25V Io=20A Fsw=1MHz Fig. 8 Power-Down Vin=12V Vo=1.25V Io=10A Fsw=1MHz 5 Sequence Sequence www.irf.com ...
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... IRDCiP2005A-A_______ www.irf.com Vo_pp=17.2mV Vin=12V Vo=1.25V Io=50A Fsw=1MHz Vin=12V Vo=1.25V Io=20A Fsw=1MHz 6 ___ Fig. 9 Output Voltage Ripple Fig. 10 Over-Voltage Protection ...
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... Zooming in at the rising and falling edges of the load step, we can then measure the slew rate of the load step. In this particular design, we are achieving about40ns rise and fall times for 40A change which translate to about 1000A/µs (see Figures 14 & 15). Fig. 11 Embedded High Slew Rate Load Design _IRDCiP2005A-A 7 www.irf.com ...
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... IRDCiP2005A-A_______ 65A Step Fig. 12 Transient Load Current di/dt=42A/44nS≈1000A/uS Fig. 14 Zoom-in rising edge of load Vsw1 Vo Fig. 16 Transient load step-up www.irf.com 80mV droop, 1.2mΩ load line requirement met Fig. 13 Vout under Transient Load Fig. 15 Zoom-in falling edge of load Vsw2 Fig. 17 Transient load step-down ...
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... R10 and R12 values given R10+R12 = (70 More details can be found in On-Semi data sheet of NCP5318. Mechanical Drawings Fig. 19 Heat Sink Photo Fig. 20 Mechanical Outline Drawing of Heatsink _IRDCiP2005A-A Current (50A/10mV) Fig. 18 Over-C Vo trip po int. The trip point corresponds to the peak inductor curren ...
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... IRDCiP2005A-A_______ Fig. 21 Top Layer View Fig. 22 Bottom Layer View www.irf.com 10 ___ ...
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... Fig. 23 Reference Design Schematic _IRDCiP2005A-A 11 www.irf.com ...
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... IRDCiP2005A-A_______ Table 1: Reference Design Bill of Materials www.irf.com 12 ___ ...
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... IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 _IRDCiP2005A-A 13 TAC Fax: (310) 252-7903 www.irf.com ...