Iout (A)
Vout (V
)
0
5
10
15
20
25
30
35
40
0.89
0.895
0.9
0.905
0.91
D001
5 V
IN
, 0.9 V
OUT
, 500 kHz. 25
q
C
9 V
IN
, 0.9 V
OUT
, 500 kHz. 25
q
C
12 V
IN
, 0.9 V
OUT
, 500 kHz. 25
q
C
16 V
IN
, 0.9 V
OUT
, 500 kHz. 25
q
C
Performance Data and Typical Characteristic Curves
11
SLUUBW8 – July 2018
Copyright © 2018, Texas Instruments Incorporated
TPS543C20EVM-054 40-A Single Phase Synchronous Step-Down Converter
9.3
Load Regulation
Figure 6. Load Regulation of 0.9-V Output
9.4
Transient Response
Figure 7. Transient Response of 0.9-V Output at 12-V
IN
, Transient is 15 A to 25 A to 15 A,
the Step is 10 A at 40 A/µs
