IRDCIP2005A-B International Rectifier, IRDCIP2005A-B Datasheet
IRDCIP2005A-B
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IRDCIP2005A-B Summary of contents
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... International Rectifier • 233 Kansas Street, El Segundo, CA 90245 USA IRDCiP2005A-B: 500kHz, 60A, Synchronous Buck Converter Using IR3623+iP2005A Overview This reference design is capable of delivering a continuous current of 60A without heatsink (or 80A with heatsink ambient temperature of 45ºC and airflow of 300LFM. Fig Fig. 13 provide performance graphs, thermal images, and waveforms ...
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... IRDCiP2005A-B______ Demoboard Schematic www.irf.com Fig. 1 Schematic 2 _____ ...
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... Bill of Material __IRDCiP2005A-B 3 www.irf.com ...
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... IRDCiP2005A-B______ Current Sharing Accuracy The Accuracy of current sharing is tested by measure the DC voltage across the two inductors at the following operation conditions: Vin = 12V; Vout = 1.5V; Iout = 20 – 80A 25C; 300LFM airflow. The test results are shown below: I (A) out Table 1 Inductor DC voltages at different currents www ...
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... Demoboard Component Placement __IRDCiP2005A-B Fig. 2 Top Layer (Face View) Fig. 3 Bottom Layer (Through View) 5 www.irf.com ...
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... IRDCiP2005A-B______ Description of Test Points and Connectors 1. Jumpers Jumper Pin Name SW1 EN SW2 SEQ 2. Test Points/Connectors Test Point Pin Name VIN / PGND TP2 / TP28 VIN / PGND VOUT1 / PGND / PGND TP35 / TP33 VOUT1 / PGND TP21 / TP37 VSW1 / PGND TP9 EN1 TP11 ...
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... Test Results Fig. 4 Relationship between switching frequency and R26 Vin=12V, Vo=1.5V, Io=20A, fsw=500 kHz Fig. 5 Power Up Sequence (C1: Vin, C2: EN, C3: Vo) Vin=12V, Vo=1.5V, Io=20A, fsw=500 kHz Fig. 6 Power Down Sequence (C1: Vin, C2: EN, C3: Vo) __IRDCiP2005A-B 7 www.irf.com ...
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... IRDCiP2005A-B______ Vin=12V, Vo=1.5V, Io=20A, fsw=500 kHz Vin=12V, Vo=1.5V, Io=20A, fsw=500 kHz Vin=12V, Vo=1.5V, Io=20A, fsw=500 kHz Fig. 9 Load Transient Response (C1: Vout, C2: Iout) www.irf.com p-p Fig. 7 Output Voltage DC Ripple p-p Fig. 8 Output Voltage DC Ripple Vin=12V, Vo=1.5V Io=10-60A, 2.5A/us fsw=500 kHz 8 _____ ...
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... Fig. 10 Bode Plot (Vin=12V, Vout=1.5V, Iout=20A) 25.00 Vin=12V, Vout=1.5V TA=45°C, 300LFM 20.00 fs=500kHz No Heatsink 15.00 10.00 5.00 0.00 0.0 95% 90% 85% 80% 75% 0.0 __IRDCiP2005A-B Fc=55 kHz PM=32° 10.0 20.0 30.0 40.0 50.0 CURRENT (A) Fig. 11 Power Loss Vin=12V, Vout=1.5V TA=45°C, 300LFM fs=500kHz No Heatsink 10.0 20.0 30.0 40.0 50.0 CURRENT (A) Fig. 12 Efficiency 9 60.0 70.0 80.0 60.0 70.0 80.0 www.irf.com ...
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... IRDCiP2005A-B______ Component Tc_Max (°C) Refer to the following application notes for detailed guidelines and suggestions when implementing iPOWIR Technology products: AN-1043: Stabilize the Buck Converter with Transconductance Amplifier This paper explains how to design the voltage compensation network for Buck Converters with Transconductance Amplifier. The design methods and equations for Type II and Type III compensation are given. AN-1028: Recommended Design, Integration and Rework Guidelines for International Rectifier’ ...
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... IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 __IRDCiP2005A-B 11 TAC Fax: (310) 252-7903 www.irf.com ...