Datasheet

VOUT = 50 mV / div (ac coupled)

IOUT = 1 A / div (1 A to 3 A load step)

Time = 100 usec / div

VOUT = 20 mV / div (ac coupled)

SW1, SW2 = 5 V / DIV

Time = 1 usec / div

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Test Setup and Results

4.6 Load Transient Response

The TPS54425EVM-608 response to load transient is shown in Figure 5. The current step is from 1 A to 3

A. Total peak-to-peak voltage variation is as shown.

Figure 5. TPS54425EVM-608 Load Transient Response

4.7 Output Voltage Ripple

The TPS54425EVM-608 output voltage ripple is shown in Figure 6. The output current is the rated full load

of 4 A.

Figure 6. TPS54425EVM-608 Output Voltage Ripple

SLVU382–August 2010 TPS54425EVM-608 4-A, SWIFT™ Regulator Evaluation Module