Texas Instruments Evaluation Module for TPS5401 0.5A Step-Down SWIFT Converter TPS5401EVM-708 TPS5401EVM-708 Datenbogen
Produktcode
TPS5401EVM-708
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
Ef
ficiency - %
I
- Output Current - A
OUT
V = 35 V
IN
V = 24 V
IN
V = 15 V
IN
V = 7.5 V
IN
−0.10
−0.08
−0.06
−0.04
−0.02
0.00
0.02
0.04
0.06
0.08
0.10
0
0.1
0.2
0.3
0.4
0.5
Regulation - %
I
- Output Current - A
OUT
V = 24 V
IN
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Test Setup and Results
Figure 2. TPS5401EVM-708 Low Current Efficiency
The efficiency may be lower at higher ambient temperatures, due to temperature variation in the
drain-to-source resistance of the internal MOSFET.
drain-to-source resistance of the internal MOSFET.
2.3
Output Voltage Load Regulation
The load regulation for the TPS5401EVM-708 is shown in
Figure 3. TPS5401EVM-708 Load Regulation
Measurements are given for an ambient temperature of 25°C.
2.4
Output Voltage Line Regulation
The line regulation for the TPS5401EVM-708 is shown in
.
5
SLVU430 – January 2011
TPS5401EVM-708 0.5-A, SWIFT™ Regulator Evaluation Module
© 2011, Texas Instruments Incorporated