Delta-electronics S48SA Uživatelský manuál stáhnout pdf (Strana 4)

DS_S48SA05006_06022006

ELECTRICAL CHARACTERISTICS CURVES

Figure5: Turn-on transient at zero load current (2 ms/div). Top

Trace: Vout (2V/div); Bottom Trace: ON/OFF Control (5V/div).

Figure 6: Output voltage response to step-change in load

current (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF,

100 m

Ω



ESR 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 m

Ω

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 (L

TEST

)

of 12 µH. Capacitor Cs offset

possible battery impedance.

1 2 3 4 5 6 7 8 9 ... 12 13

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Delta-electronics S48SA Uživatelský manuál Strana 4