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IQ24280HZC18NRS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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IQ24280HZC18NRS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 12 page Input: Output: Current: Package: 18-36 V 28 V 18 A (504 W) Half-brick Technical Specification Product # IQ24280HZC18 Phone 1-888-567-9596 www.synqor.com Doc.# 005-IHZ2428 Rev. C 09/19/08 Page 6 Figure 7: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs; 1 ms/div). Load cap: 1 uF ceramic and 100 µF, 15 m W ESR electrolytic capacitors. Top trace: Vout (1 V/div). Bottom trace: Iout (10 A/div). Figure 8: Output voltage response to step-change in load current (50%-75%-50% of Iout(max): dI/dt = 5 A/µs; 2 ms/div). Load cap: 100 µF, 15 m W ESR electrolytic capacitor. Top trace: Vout (1.0 V/div). Bottom trace: Iout (10 A/div). Figure 10: Input Terminal Ripple Current, ic, at full rated output cur- rent and nominal input voltage with 3.3 µH source impedance and 470 µF electrolytic capacitor (500 mA/div; 2 µs/div). See Figure 9. Figure 9: Test set-up diagram showing measurement points for Input Terminal Ripple Current (Figure 10), Input Reflected Ripple Current (Figure 11) and Output Voltage Ripple (Figure 12). 3.3µH source impedance DC-DC Converter Figure 11 Figure 10 Figure 12 1 µF ceramic capacitor 100 µF, 10mWESR electrolytic capacitor 470µF, 0.2WESR electrolytic capacitor VSOURCE iS iC VOUT Figure 11: Input reflected ripple current, is, through a 3.3 µH source inductor, using a 470 µF input capacitor, at nominal input voltage and rated load current (10 mA/div; 2 µs/div). See Figure 9. Figure 12: Output voltage ripple at nominal input voltage and rated load current (50 mV/div; 2 µs/div). Load capacitance: 1 µF ceramic capacitor and 100 µF electrolytic capacitor. Bandwidth: 20 MHz. See Figure 9. |
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