Texas Instruments Evaluation Module for TPS54427 TPS54427EVM-052 TPS54427EVM-052 데이터 시트
제품 코드
TPS54427EVM-052
V
50 mV/div (-1.05V offset)
OUT
Time 1 µs/div
V
5 V/div
SW
V
50 mV/div (AC coupled)
IN
V
500 mV/div
OUT
Time 2 ms/div
I
200 mA/div
IN
V
2 V/div
IN
VREG5 2 V/div
V
500 mV/div
OUT
Time 2 ms/div
I
200 mA/div
IN
V
2 V/div
IN
VREG5 2 V/div
Test Setup and Results
4.8
Input Voltage Ripple
The TPS54427 input voltage ripple is shown in
. The output current is the rated full load of 4 A.
Figure 7. TPS54427 Input Voltage Ripple
4.9
Start-Up and Shut-Down
The TPS54427 start-up and shut-down waveforms relative to V
IN
are shown in
and
.
Figure 8. TPS54427 Start-Up Relative to V
IN
Figure 9. TPS54427 Shut-down Relative to V
IN
8
TPS54427, 4-A, SWIFT
™
Regulator
—
Evaluation Module
SLVU579
–
December 2011
Copyright
©
2011, Texas Instruments Incorporated