70
75
80
85
90
95
100
0
1
2
3
4
5
I
LOAD
- Load Current - A
-
E
ff
ic
ie
n
c
y
-
%
VIN = 3.3 V, FCCM, fs w = 750 kHz
VIN = 3.3 V, DE Mode, fs w = 750 kHz
VIN = 3.3 V, HEF Mode, fs w = 750 kHz
70
75
80
85
90
95
100
0
1
2
3
4
5
I
LOAD
- Load Current - A
H
-
E
ff
ic
ie
n
c
y
-
%
VIN = 5V, FCCM, fs w = 750 kHz
VIN = 5 V, DE Mode, fs w = 750 kHz
VIN = 5 V, HEF Mode, fs w = 750 kHz
Performance Data and Typical Characteristic Curves
8
Performance Data and Typical Characteristic Curves
Figure 4 through Figure 19 present typical performance curves for TPS53316EVM-075.
8.1
Efficiency
Figure 4. 3.3-V Input Efficiency
Figure 5. 5-V Input Efficiency
10
5-A Step-Down Regulator with Integrated Switcher
SLUU671
–
December 2011
Copyright
©
2011, Texas Instruments Incorporated
