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DS_E24SR05012_01032008
6
ELECTRICAL CHARACTERISTICS CURVES
StripCopper
Vo(-)
Vo(+)
10u
1u
SCOPE RESISTIV
E
LOAD
Figure 12: Input reflected ripple current, i
s
, through a 12µH
source inductor at nominal input voltage and rated load current
(20 mA/div, 2us/div)
Figure 13: Output voltage noise and ripple measurement test
setup
0.0
2.0
4.0
6.0
24681012141
Loadt Current (A)
Output Voltage(V)
6
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