ELECTRICAL CHARACTERISTICS CURVES
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Figure 11: Input Terminal Ripple Current, ic, at full rated output current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (100mA/div, 1us/div)
Copper Strip
Vo(+)
10u | 1u | SCOPE | RESISTIVE |
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Figure 12: Input reflected ripple current, is, through a 12µH source inductor at nominal input voltage and rated load current (20 mA/div, 1us/div)
Figure 13: Output voltage noise and ripple measurement test setup
0
Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=7A)(20 mV/div, 1us/div)
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz. Scope measurements should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module
Figure 15: Output voltage vs. load current showing typical current limit curves and converter shutdown points
DS_S48SP05007_05222008 | 6 |