Texas Instruments TPS51113, Руководство пользователя

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9 Performance Data and Typical Characteristic Curves
Figure 9-1 through Figure 9-8 present typical performance curves for the TPS51113-EVM.
0
75
70
2 4 6 8 10 12 14 16 18 20 22 24
85
80
95
90
I
OUT
– Output Current – A
h
–
E
ff
ic
ie
n
c
y
–
%
Input
Voltage (V)
14
12
8
EFFICIENCY
vs
OUTPUT CURRENT
Figure 9-1. Efficiency
0
1.192
1.190
2 4 6 8 10 12 14 16 18 20 22 24 26
1.196
1.194
1.200
1.198
I
OUT
– Output Current – A
V
O
U
T
–
O
u
tp
u
t
V
o
lt
a
g
e
–
V
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
Input
Voltage (V)
14
12
8
Figure 9-2. Load Regulation
Figure 9-3. Bode Plot
Figure 9-3 shows the bode plot where:
• V
IN
= 12 V
• V
OUT
= 1.2 V
• I
OUT
= 25 A
• Crossover frequency = 39.72 kHz
• Phase margin = 70.53°
• Gain margin = 23.13 dB
www.ti.com Performance Data and Typical Characteristic Curves
SLUU359A – APRIL 2009 – REVISED FEBRUARY 2022
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TPS51113 Buck Controller Evaluation Module User's Guide 7
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