Texas Instruments Evaluation Module for TPS54428 TPS54428EVM-052 TPS54428EVM-052 데이터 시트
제품 코드
TPS54428EVM-052
V
20 mV/div (-1.09 V offset)
OUT
Time 500 µs/div
V
= 12 V
IN
V
5 V/div
SW
V
50 mV/div (-1.05V offset)
OUT
Time 1 µs/div
V
5 V/div
SW
V
50 mV/div (AC coupled)
IN
Test Setup and Results
The TPS54428EVM-052 output voltage ripple during Eco-mode
™
operation is shown in
. The
output current is 0 mA.
Figure 10. TPS54428EVM-052 Eco-mode
™
Output Voltage Ripple at No Load
4.9
Input Voltage Ripple
The TPS54428EVM-052 input voltage ripple is shown in
. The output current is the rated full load
of 4 A and the input voltage is set to 5 V.
Figure 11. TPS54428EVM-052 Input Voltage Ripple
9
SLVU578
–
December 2011
TPS54428, 4-A, SWIFT
™
Regulator Evaluation Module
Copyright
©
2011, Texas Instruments Incorporated