Texas Instruments TPS543C20EVM-054, User Manual

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Iout (A)
Pow
er
Los
s
(W)
0 5 10 15 20 25 30 35 40
0
1
2
3
4
5
6
7
8
9
10
D003
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
Iout (A)
Ef
ficie
ncy
(%)
0 5 10 15 20 25 30 35 40
0
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
D002
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
Test Procedure
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10 SLUUBW8 – July 2018
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Copyright © 2018, Texas Instruments Incorporated
TPS543C20EVM-054 40-A Single Phase Synchronous Step-Down Converter
8.3 Equipment Shutdown
1. Reduce the load current to 0 A.
2. Reduce input voltage to 0 V.
3. Shut down the external fan if in use.
4. Shut down equipment.
9 Performance Data and Typical Characteristic Curves
Figure 4 through Figure 13 present typical performance curves for the BSR054EVM.
SPACE
9.1 Efficiency
Figure 4. Efficiency of 0.9-V Output vs Load
9.2 Power Loss
Figure 5. Power Loss of 0.9-V Output vs Load