Delta Electronics S48SA manual Turn-on transient at zero load current 2 ms/div. Top

ELECTRICAL CHARACTERISTICS CURVES

Figure5: Turn-on transient at zero load current (2 ms/div). Top	Figure 6: Output voltage response to step-change in load
Trace: Vout (2V/div); Bottom Trace: ON/OFF Control (5V/div).	current (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF,
	100 mΩESR tantalum capacitor and 1µF ceramic capacitor.
	Top Trace: Vout (50mV/div), Bottom Trace: Iout (2A/div).

Figure 7: Output voltage response to step-change in load current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF, 100 mΩESR tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout (50mV/div), Bottom Trace: Iout 2A/div).

Figure 8: Test set-up diagram showing measurement points for Input Reflected Ripple Current (Figure 9).

Note: Measured input reflected-ripple current with a simulated

source Inductance (LTEST) of 12 µH. Capacitor Cs offset possible battery impedance.

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