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DS_S48SP05007_05222008
5
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF
tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout
(100mV/div, 50us/div), Bottom Trace: Iout (2A/div). Scope
measurement 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 9: Output voltage response to step-change in load
current (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF
tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout
(100mV/div, 50us/div
)
, Bottom Trace: Iout (2A/div). Scope
measurement 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 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (L
TEST
)
of 12 μH. Capacitor Cs offset
possible battery impedance. Measure current as shown below.
0
0
0
0