Texas Instruments Evaluation Module for TPS54427 TPS54427EVM-052 TPS54427EVM-052 Fiche De Données
Codes de produits
TPS54427EVM-052
V
100 mV/div (-0.85V offset)
OUT
Time 100 µs/div
I
1 A/div
Load Step: 1 A to 3 A
Slew Rate: 1 A/µs
Slew Rate: 1 A/µs
OUT
V
= 12 V
IN
V
20 mV/div (-1.05V offset)
OUT
Time 1 µs/div
I 2 A/div
L
V
10 V/div
SW
Test Setup and Results
4.6
Load Transient Response
The TPS54427 response to load transient is shown in
. The current step is from 1 A to 3 A with an
input voltage of 12 V. Total peak-to-peak voltage variation is as shown.
Figure 5. TPS54427 Load Transient Response
4.7
Output Voltage Ripple
The TPS54427 output voltage ripple is shown in
. The output current is the rated full load of 4 A
and the input voltage is at 12 V.
Figure 6. TPS54427 Output Voltage Ripple
7
SLVU579
–
December 2011
TPS54427, 4-A, SWIFT
™
Regulator
—
Evaluation Module
Copyright
©
2011, Texas Instruments Incorporated