ELECTRICAL CHARACTERISTICS CURVES
Vo(+)
Copper Strip
10u | 1u | SCOPE | RESISTIVE |
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Figure 12: Input reflected ripple current, is, through a 12µH | Figure 13: Output voltage noise and ripple measurement test |
source inductor at nominal input voltage and rated load current | setup |
(20 mA/div, 2us/div) |
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Voltage(V) | 4.0 |
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Output | 2.0 |
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| 0.0 |
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| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
Loadt Current (A)
Figure 14: Output voltage ripple at nominal input voltage and
rated load current (Io=12A)(20 mV/div, 2us/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_E24SR05012_01032008 | 6 |